What are cached tokens and how do they save money?

Cached tokens are repeated input tokens (like system prompts or conversation history) that providers charge at a discounted rate. Google offers varying discounts for cached tokens (typically 50-80%). Your calculation saves money by applying caching to 50% of input tokens for optimized cost savings.

When should I use Batch API vs real-time API?

Use Batch API for non-realtime processing of large volumes where latency isn't critical (saves up to 40-60%). Use real-time API for interactive applications like chatbots. Batch processing is ideal for data analysis, content generation in bulk, and offline processing.

What should I consider when comparing different AI models?

When comparing AI models, focus on factors such as performance, accuracy, response speed, cost, scalability, and how well the model fits your specific use case. The right choice depends on your workload, budget, and the type of tasks you want the AI to handle. Using an AI cost and time calculator can help you make an informed, data-driven decision.

Gemini 3.8 Flash vs Claude Fable 5.1: 500K-Token Curriculum Pipelines

Name: Claude Fable 5.1
Brand: Anthropic
Price: 0.67 USD
Availability: InStock
Rating: 4.5 (89 reviews)

Gemini 3.8 Flash vs Claude Fable 5.1

Complete Comparison: 500,000 input tokens × 2,000 output tokens

⚡ 50% Cached

Complete comparison of pricing, performance, and capabilities for 2 leading AI models with 50% Cached.

⚡ Caching Optimized (up to 90% savings) 📊 Batch API

Comparison Criteria	Gemini 3.8 Flash Google	Claude Fable 5.1 Anthropic
Calculation Results (Current Inputs) (50% cached)
Input Tokens	500,000	500,000
Output Tokens	2,000	2,000
Cost Breakdown
Input Cost	$0.093750 (rounded ~ $0.09)Best	$1.250000Worst
Output Cost	$0.001875Best	$0.025000 (rounded ~ $0.03)Worst
Unit Cost (Audio/OCR)	$0.000000	$0.000000
Service Fees	$0.000000	$0.000000
Total Cost	$0.053438 (rounded ~ $0.05) Best Value	$0.665625 (rounded ~ $0.67) Most Expensive
Processing Time	26 minutes, 20.00 seconds Fastest	42 minutes, 37.99 seconds Slowest
Tokens per Second	340Fastest	210Slowest
Time to First Token	105ms Best	430ms Worst
Cost per 1K tokens	$0.000106Best	$0.001326Worst
Tokens per Dollar	9,394,152Best Value	754,178Worst Value
Cost per 1 Million Tokens (Informational)
Input Cost / 1M (Base)	$0.187500 (rounded ~ $0.19)Best	$2.500000Worst
Output Cost / 1M (Base)	$0.937500 (rounded ~ $0.94)Best	$12.500000Worst
Input Cost / 1M (Optimized)	$0.093750 (rounded ~ $0.09)Best Optimizations: 50.0% batch	$1.250000Worst Optimizations: 50.0% batch
Output Cost / 1M (Optimized)	$0.468750 (rounded ~ $0.47)Best Optimizations: 50.0% batch	$6.250000Worst Optimizations: 50.0% batch
Capabilities & Advanced Features
Images Support	✓ Supported	✓ Supported
Video Support	✓ Supported	✗ Not Supported
Audio Support	✓ Supported	✗ Not Supported
Caching Support 50	✓ Supported	✓ Supported
Batch API Support	✓ Supported	✓ Supported
Tool Usage Support	✓ Supported	✓ Supported

Scroll horizontally to see all data

🔄 Compare Different AI Models

First Model

Provider

Model

Second Model

Provider

Model

Select providers and models above, then click "Compare Models" to update the comparison.
All other parameters will be preserved from the current comparison.

Gemini 3.8 Flash Google 1048576

$0.053438 (rounded ~ $0.05)

Total Cost

⚡ 50% Cached 📊 Batch API 🔧 Tools

👁️

Vision/Images

✓ Available

🎧

Audio Processing

✓ Available

🎥

Video Analysis

✓ Available

🔧

Tool Usage

✓ Available

📄

OCR Support

✗ Not Available

📊

Batch API

✓ Available

⚡

Caching

✓ Available

90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.095625 (rounded ~ $0.10) Input: $0.093750 (rounded ~ $0.09)
Output: $0.001875

Optimized Cost $0.053438 (rounded ~ $0.05) Input: $0.093750 (rounded ~ $0.09)
Output: $0.001875
Unit: $0.000000
Fees: $0.000000

Total Savings $0.042188 (rounded ~ $0.04) 44.1% discount

Advanced Cost Breakdown (from Plugin)

📊 Batch API

50.0% off

Asynchronous processing discount

Detailed Cost Analysis (from Plugin)

For 500,000 input tokens and 2,000 output tokens:

Input Cost: $0.093750 (rounded ~ $0.09)
Output Cost: $0.001875
Total Cost: $0.053438 (rounded ~ $0.05)
Cost per 1K tokens: $0.000106
Tokens per dollar: 9,394,152 tokens
Context Window: 1048576 tokens

Speed & Performance Analysis

With a processing speed of 340 tokens per second and 105ms time to first token:

Processing Time: 26 minutes, 20.00 seconds
Latency: 105 milliseconds to first token
Base Throughput: 340 tokens/second
Effective Throughput: 318 tokens/second (temperature-adjusted)

Best Use Cases

Choose Gemini 3.8 Flash for high-speed generation of educational materials; choose Claude Fable 5.1 for nuancedlong-form scriptwriting requiring deep pedagogical consistency.

Want this applied to YOUR actual stack?

This calculator shows the math for Gemini 3.8 Flash. Your decision needs more — current infrastructure, compliance requirements, actual workload patterns, volume tiers — that change which model is right for you.

Get a $39 personalized AI Architecture Audit. PDF tailored to your stack, delivered in under 60 seconds. 7-day no-questions-asked refund.

Get my instant AI audit — $39 →

Claude Fable 5.1 Anthropic 1000000

$0.665625 (rounded ~ $0.67)

Total Cost

⚡ 50% Cached 📊 Batch API 🔧 Tools

👁️

Vision/Images

✓ Available

🎧

Audio Processing

✗ Not Available

🎥

Video Analysis

✗ Not Available

🔧

Tool Usage

✓ Available

📄

OCR Support

✗ Not Available

📊

Batch API

✓ Available

⚡

Caching

✓ Available

90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $1.275000 (rounded ~ $1.28) Input: $1.250000
Output: $0.025000 (rounded ~ $0.03)

Optimized Cost $0.665625 (rounded ~ $0.67) Input: $1.250000
Output: $0.025000 (rounded ~ $0.03)
Unit: $0.000000
Fees: $0.000000

Total Savings $0.609375 47.8% discount

Advanced Cost Breakdown (from Plugin)

📊 Batch API

50.0% off

Asynchronous processing discount

Detailed Cost Analysis (from Plugin)

For 500,000 input tokens and 2,000 output tokens:

Input Cost: $1.250000
Output Cost: $0.025000 (rounded ~ $0.03)
Total Cost: $0.665625 (rounded ~ $0.67)
Cost per 1K tokens: $0.001326
Tokens per dollar: 754,178 tokens
Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 210 tokens per second and 430ms time to first token:

Processing Time: 42 minutes, 37.99 seconds
Latency: 430 milliseconds to first token
Base Throughput: 210 tokens/second
Effective Throughput: 196 tokens/second (temperature-adjusted)

Best Use Cases

Choose Gemini 3.8 Flash for high-speed generation of educational materials; choose Claude Fable 5.1 for nuancedlong-form scriptwriting requiring deep pedagogical consistency.

Want this applied to YOUR actual stack?

This calculator shows the math for Claude Fable 5.1. Your decision needs more — current infrastructure, compliance requirements, actual workload patterns, volume tiers — that change which model is right for you.

Get a $39 personalized AI Architecture Audit. PDF tailored to your stack, delivered in under 60 seconds. 7-day no-questions-asked refund.

Get my instant AI audit — $39 →

✨ Market Recommendations AI Model Registry

← Back to Gemini 3.8 Flash

📋 Active Input Parameters

Input Tokens: 500,000

Output Tokens: 2,000

Batch API: Enabled (50% discount)

Cached Tokens: 50%

Tools: Enabled

Rank	AI Model & Provider	Total Cost	vs Gemini 3.8 Flash	vs Claude Fable 5.1
🏆	Gemini 3.1 Flash Lite Google	$0.017938 (rounded ~ $0.02) Best Value	↓ 66.4% cheaper	↓ 97.3% cheaper
🥈	Gemini 3.5 Flash-Lite Google	$0.021875 (rounded ~ $0.02)	↓ 59.1% cheaper	↓ 96.7% cheaper
🥉	Gemini 2.5 Flash Google	$0.021875 (rounded ~ $0.02)	↓ 59.1% cheaper	↓ 96.7% cheaper
#4	GPT-5.6 Luna OpenAI	$0.071750 (rounded ~ $0.07)	↑ 34.3% more	↓ 89.2% cheaper
#5	Gemini 3.6 Flash Google	$0.106875 (rounded ~ $0.11)	↑ 100% more	↓ 83.9% cheaper
#6	Gemini 3.5 Flash Google	$0.107625 (rounded ~ $0.11)	↑ 101.4% more	↓ 83.8% cheaper
#7	Claude Sonnet 5 Anthropic	$0.142500 (rounded ~ $0.14)	↑ 166.7% more	↓ 78.6% cheaper
#8	Gemini 3.1 Flash Google	$0.143500 (rounded ~ $0.14)	↑ 168.5% more	↓ 78.4% cheaper
#9	GPT-5.6 Terra OpenAI	$0.179375	↑ 235.7% more	↓ 73.1% cheaper
#10	Claude Sonnet 4.6 Anthropic	$0.213750 (rounded ~ $0.21)	↑ 300% more	↓ 67.9% cheaper
#11	Claude Opus 4.7 Anthropic	$0.356250 (rounded ~ $0.36)	↑ 566.7% more	↓ 46.5% cheaper
#12	Claude Opus 5 Anthropic	$0.356250 (rounded ~ $0.36)	↑ 566.7% more	↓ 46.5% cheaper
#13	Claude Opus 4.8 Anthropic	$0.356250 (rounded ~ $0.36)	↑ 566.7% more	↓ 46.5% cheaper
#14	Claude Opus 4.6 Anthropic	$0.356250 (rounded ~ $0.36)	↑ 566.7% more	↓ 46.5% cheaper
#15	Gemini 2.5 Pro Google	$0.358750 (rounded ~ $0.36)	↑ 571.3% more	↓ 46.1% cheaper
#16	GPT-5.6 Sol OpenAI	$0.358750 (rounded ~ $0.36)	↑ 571.3% more	↓ 46.1% cheaper
#17	Grok 4.3 xAI	$0.558000 (rounded ~ $0.56)	↑ 944.2% more	↓ 16.2% cheaper
#18	Grok 4.20 Beta xAI	$0.558000 (rounded ~ $0.56)	↑ 944.2% more	↓ 16.2% cheaper
#19	Gemini 3.1 Pro Google	$0.568000 (rounded ~ $0.57)	↑ 962.9% more	↓ 14.7% cheaper
#20	Claude Fable 5.1 Anthropic	$0.665625 (rounded ~ $0.67)	↑ 1145.6% more	Same price
#21	Claude Mythos 5.1 Anthropic	$0.665625 (rounded ~ $0.67)	↑ 1145.6% more	Same price
#22	GPT-5.4 OpenAI	$0.710000	↑ 1228.7% more	↑ 6.7% more
#23	GPT-5.4 Thinking OpenAI	$0.710000	↑ 1228.7% more	↑ 6.7% more
#24	Claude Fable 5 Anthropic	$0.712500 (rounded ~ $0.71)	↑ 1233.3% more	↑ 7% more
#25	Claude Mythos 5 Anthropic	$0.712500 (rounded ~ $0.71)	↑ 1233.3% more	↑ 7% more
#26	GPT-5.5 OpenAI	$1.420000	↑ 2557.3% more	↑ 113.3% more
#27	GPT-6 Astra OpenAI	$2.850000	↑ 5233.3% more	↑ 328.2% more
#28	GPT-6 Astra OpenAI	$2.850000	↑ 5233.3% more	↑ 328.2% more

🏆

Gemini 3.1 Flash Lite
Google

$0.017938 (rounded ~ $0.02)

vs Gemini 3.8 Flash: ↓ 66.4%

vs Claude Fable 5.1: ↓ 97.3%

🥈

Gemini 3.5 Flash-Lite
Google

$0.021875 (rounded ~ $0.02)

vs Gemini 3.8 Flash: ↓ 59.1%

vs Claude Fable 5.1: ↓ 96.7%

🥉

Gemini 2.5 Flash
Google

$0.021875 (rounded ~ $0.02)

vs Gemini 3.8 Flash: ↓ 59.1%

vs Claude Fable 5.1: ↓ 96.7%

GPT-5.6 Luna
OpenAI

$0.071750 (rounded ~ $0.07)

vs Gemini 3.8 Flash: ↑ 34.3%

vs Claude Fable 5.1: ↓ 89.2%

Gemini 3.6 Flash
Google

$0.106875 (rounded ~ $0.11)

vs Gemini 3.8 Flash: ↑ 100%

vs Claude Fable 5.1: ↓ 83.9%

Gemini 3.5 Flash
Google

$0.107625 (rounded ~ $0.11)

vs Gemini 3.8 Flash: ↑ 101.4%

vs Claude Fable 5.1: ↓ 83.8%

Claude Sonnet 5
Anthropic

$0.142500 (rounded ~ $0.14)

vs Gemini 3.8 Flash: ↑ 166.7%

vs Claude Fable 5.1: ↓ 78.6%

Gemini 3.1 Flash
Google

$0.143500 (rounded ~ $0.14)

vs Gemini 3.8 Flash: ↑ 168.5%

vs Claude Fable 5.1: ↓ 78.4%

GPT-5.6 Terra
OpenAI

$0.179375

vs Gemini 3.8 Flash: ↑ 235.7%

vs Claude Fable 5.1: ↓ 73.1%

#10

Claude Sonnet 4.6
Anthropic

$0.213750 (rounded ~ $0.21)

vs Gemini 3.8 Flash: ↑ 300%

vs Claude Fable 5.1: ↓ 67.9%

#11

Claude Opus 4.7
Anthropic

$0.356250 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 566.7%

vs Claude Fable 5.1: ↓ 46.5%

#12

Claude Opus 5
Anthropic

$0.356250 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 566.7%

vs Claude Fable 5.1: ↓ 46.5%

#13

Claude Opus 4.8
Anthropic

$0.356250 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 566.7%

vs Claude Fable 5.1: ↓ 46.5%

#14

Claude Opus 4.6
Anthropic

$0.356250 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 566.7%

vs Claude Fable 5.1: ↓ 46.5%

#15

Gemini 2.5 Pro
Google

$0.358750 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 571.3%

vs Claude Fable 5.1: ↓ 46.1%

#16

GPT-5.6 Sol
OpenAI

$0.358750 (rounded ~ $0.36)

vs Gemini 3.8 Flash: ↑ 571.3%

vs Claude Fable 5.1: ↓ 46.1%

#17

Grok 4.3
xAI

$0.558000 (rounded ~ $0.56)

vs Gemini 3.8 Flash: ↑ 944.2%

vs Claude Fable 5.1: ↓ 16.2%

#18

Grok 4.20 Beta
xAI

$0.558000 (rounded ~ $0.56)

vs Gemini 3.8 Flash: ↑ 944.2%

vs Claude Fable 5.1: ↓ 16.2%

#19

Gemini 3.1 Pro
Google

$0.568000 (rounded ~ $0.57)

vs Gemini 3.8 Flash: ↑ 962.9%

vs Claude Fable 5.1: ↓ 14.7%

#20

Claude Fable 5.1
Anthropic

$0.665625 (rounded ~ $0.67)

vs Gemini 3.8 Flash: ↑ 1145.6%

vs Claude Fable 5.1: Same

#21

Claude Mythos 5.1
Anthropic

$0.665625 (rounded ~ $0.67)

vs Gemini 3.8 Flash: ↑ 1145.6%

vs Claude Fable 5.1: Same

#22

GPT-5.4
OpenAI

$0.710000

vs Gemini 3.8 Flash: ↑ 1228.7%

vs Claude Fable 5.1: ↑ 6.7%

#23

GPT-5.4 Thinking
OpenAI

$0.710000

vs Gemini 3.8 Flash: ↑ 1228.7%

vs Claude Fable 5.1: ↑ 6.7%

#24

Claude Fable 5
Anthropic

$0.712500 (rounded ~ $0.71)

vs Gemini 3.8 Flash: ↑ 1233.3%

vs Claude Fable 5.1: ↑ 7%

#25

Claude Mythos 5
Anthropic

$0.712500 (rounded ~ $0.71)

vs Gemini 3.8 Flash: ↑ 1233.3%

vs Claude Fable 5.1: ↑ 7%

#26

GPT-5.5
OpenAI

$1.420000

vs Gemini 3.8 Flash: ↑ 2557.3%

vs Claude Fable 5.1: ↑ 113.3%

#27

GPT-6 Astra
OpenAI

$2.850000

vs Gemini 3.8 Flash: ↑ 5233.3%

vs Claude Fable 5.1: ↑ 328.2%

#28

GPT-6 Astra
OpenAI

$2.850000

vs Gemini 3.8 Flash: ↑ 5233.3%

vs Claude Fable 5.1: ↑ 328.2%

✨ How recommendations work (v8.6.0): We scan all active models in the registry and only include those that support ALL your current inputs. For token-based models, we check if they can handle your token counts. For special pricing models (OCR, video, audio), we verify they have the correct pricing structure. Features marked requested were in your inputs but not supported by that model. Now using official provider pricing without reseller markups.

For educational content creators managing large-scale curriculum design, the choice between these two models often comes down to the balance between high-speed iteration and complex structural reasoning. Gemini 3.8 Flash is exceptionally well-suited for rapid prototyping of lesson outlines and generating bulk practice material, where the primary need is throughput and maintaining a consistent, accessible instructional tone. Its native ability to handle multi-modal inputs is a significant advantage if your curriculum includes visual aids, diagrams, or existing lecture videos that need to be transcribed and adapted into text-based lessons.

Claude Fable 5.1, conversely, acts as a more rigorous editorial partner. When developing long-form video scripts or comprehensive course modules that require deep thematic consistency, Claude Fable 5.1 excels at maintaining a specific pedagogical voice across thousands of tokens. While Gemini 3.8 Flash is the workhorse for high-volume, repetitive tasks—such as generating quiz banks or summarizing feedback—Claude Fable 5.1 provides the nuanced reasoning needed for complex narrative arcs in video storytelling. If your workflow involves creating long-form educational scripts that must balance entertainment with academic accuracy, Claude Fable 5.1 often requires less manual intervention to reach the final draft. Evaluate your current bottleneck: if you are struggling with content volume, lean into the speed of Gemini; if the challenge is content depth and tone alignment, Claude Fable 5.1 is the stronger investment for your production pipeline.

Frequently Asked Questions

How accurate are these AI model cost calculations?

Our calculations are based on official pricing from each provider (Google, OpenAI, Anthropic, Meta, xAI, Perplexity, DeepSeek, Mistral) and are updated regularly. We account for all factors including multimodal inputs, caching discounts, batch API pricing, tool usage multipliers, OCR processing, audio minutes, silence fees, and research mode pricing. Note: Reseller markups and dedicated instance multipliers have been removed to reflect official provider pricing.

How does prompt caching work?

Caching discounts vary by provider: Google and OpenAI offer 90% discounts on cached input tokens. Anthropic uses write (1.25x) and read (0.10x) multipliers. Savings are applied to the token portion only, not unit-based fees.

How do Market Recommendations work (v8.6.0)?

Our recommendation engine scans the entire model registry and only includes models that support ALL your current input parameters (tokens, images, video, audio, OCR, tools, batch API, etc.). It calculates exact costs with your settings and sorts by price, showing you the best value options that can handle your complete workflow. Special pricing models (OCR, video, audio, image generation) are properly handled and only appear when their specific input types are requested. v8.6.0 removes reseller markups (20% buffer) and dedicated instance multipliers to reflect official provider pricing.

What is the YemHub AI Calculator Tool?

The YemHub AI Calculator is the most comprehensive tool for estimating costs and comparing performance metrics across 50+ AI models. It calculates token-based pricing, analyzes multimodal processing, accounts for state-dependent pricing (context cliffs, tiered tunnels), provides optimization recommendations, and now offers intelligent market matching to find the best alternatives for your specific needs.

Gemini 3.8 Flash vs Claude Fable 5.1: 500K-Token Curriculum Pipelines

🔄 Compare Different AI Models

First Model

Second Model

Select AI Model

Gemini 3.8 Flash

Calculate Token Costs

📊 Advanced Cost Breakdown

Processing Speed

Model Comparison

Model Information

🔄 Advanced Options

⚡ Optimization

🧠 Reasoning & Thinking

🔧 Special Modes

📚 Research & Citations

🎤 Realtime Audio & Video

Gemini 3.8 Flash Google 1048576

💰 Total Cost Calculation (from Plugin)

Advanced Cost Breakdown (from Plugin)

Detailed Cost Analysis (from Plugin)

Speed & Performance Analysis

Best Use Cases

Want this applied to YOUR actual stack?

Claude Fable 5.1 Anthropic 1000000

💰 Total Cost Calculation (from Plugin)

Advanced Cost Breakdown (from Plugin)

Detailed Cost Analysis (from Plugin)

Speed & Performance Analysis

Best Use Cases

Want this applied to YOUR actual stack?

✨ Market Recommendations AI Model Registry

Gemini 3.1 Flash Lite Google

Gemini 3.5 Flash-Lite Google

Gemini 2.5 Flash Google

GPT-5.6 Luna OpenAI

Gemini 3.6 Flash Google

Gemini 3.5 Flash Google

Claude Sonnet 5 Anthropic

Gemini 3.1 Flash Google

GPT-5.6 Terra OpenAI

Claude Sonnet 4.6 Anthropic

Claude Opus 4.7 Anthropic

Claude Opus 5 Anthropic

Claude Opus 4.8 Anthropic

Claude Opus 4.6 Anthropic

Gemini 2.5 Pro Google

GPT-5.6 Sol OpenAI

Grok 4.3 xAI

Grok 4.20 Beta xAI

Gemini 3.1 Pro Google

Claude Fable 5.1 Anthropic

Claude Mythos 5.1 Anthropic

GPT-5.4 OpenAI

GPT-5.4 Thinking OpenAI

Claude Fable 5 Anthropic

Claude Mythos 5 Anthropic

GPT-5.5 OpenAI

GPT-6 Astra OpenAI

GPT-6 Astra OpenAI

Frequently Asked Questions

Related model pricing

Compare across providers

Other models from the same provider

Gemini 3.1 Flash Lite
Google

Gemini 3.5 Flash-Lite
Google

Gemini 2.5 Flash
Google

GPT-5.6 Luna
OpenAI

Gemini 3.6 Flash
Google

Gemini 3.5 Flash
Google

Claude Sonnet 5
Anthropic

Gemini 3.1 Flash
Google

GPT-5.6 Terra
OpenAI

Claude Sonnet 4.6
Anthropic

Claude Opus 4.7
Anthropic

Claude Opus 5
Anthropic

Claude Opus 4.8
Anthropic

Claude Opus 4.6
Anthropic

Gemini 2.5 Pro
Google

GPT-5.6 Sol
OpenAI

Grok 4.3
xAI

Grok 4.20 Beta
xAI

Gemini 3.1 Pro
Google

Claude Fable 5.1
Anthropic

Claude Mythos 5.1
Anthropic

GPT-5.4
OpenAI

GPT-5.4 Thinking
OpenAI

Claude Fable 5
Anthropic

Claude Mythos 5
Anthropic

GPT-5.5
OpenAI

GPT-6 Astra
OpenAI

GPT-6 Astra
OpenAI