Claude Sonnet 4.6 vs Gemini 3.5 Flash: 500K-Token Daily Email Pipelines

Claude Sonnet 4.6 has been replaced by Claude Sonnet 5

The pricing shown below is for the older model and is kept for reference. If you are choosing a model today, use the current version — its rate and context window differ.

See current Claude Sonnet 5 pricing →  ·  All recent pricing changes

Claude Sonnet 4.6 vs Gemini 3.5 Flash
Complete Comparison: 500,000 input tokens × 300,000 output tokens
Comparison Mode
⚡ 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 Claude Sonnet 4.6
Anthropic
Gemini 3.5 Flash
Google
Calculation Results (Current Inputs) (50% cached)
Input Tokens 500,000 500,000
Output Tokens 300,000 300,000
Cost Breakdown
Input Cost $0.375000 (rounded ~ $0.38)Worst $0.187500 (rounded ~ $0.19)Best
Output Cost $1.125000 (rounded ~ $1.13)Worst $0.675000 (rounded ~ $0.68)Best
Unit Cost (Audio/OCR) $0.000000 $0.000000
Service Fees $0.000000 $0.000000
Total Cost $1.331250 (rounded ~ $1.33) Most Expensive $0.778125 (rounded ~ $0.78) Best Value
Processing Time 31 minutes, 42.40 seconds Slowest 16 minutes, 47.24 seconds Fastest
Tokens per Second 450Slowest 850Fastest
Time to First Token 200ms Worst 90ms Best
Cost per 1K tokens $0.001664Worst $0.000973Best
Tokens per Dollar 600,939Worst Value 1,028,112Best Value
Cost per 1 Million Tokens (Informational)
Input Cost / 1M (Base) $0.750000Worst $0.375000 (rounded ~ $0.38)Best
Output Cost / 1M (Base) $3.750000Worst $2.250000Best
Input Cost / 1M (Optimized) $0.375000 (rounded ~ $0.38)Worst
Optimizations: 50.0% batch
$0.187500 (rounded ~ $0.19)Best
Optimizations: 50.0% batch
Output Cost / 1M (Optimized) $1.875000 (rounded ~ $1.88)Worst
Optimizations: 50.0% batch
$1.125000 (rounded ~ $1.13)Best
Optimizations: 50.0% batch
Capabilities & Advanced Features
Images Support ✓ Supported ✓ Supported
Video Support ✗ Not Supported ✓ Supported
Audio Support ✗ Not Supported ✓ Supported
Caching Support
50
✓ Supported ✓ Supported
Batch API Support ✓ Supported ✓ Supported
Tool Usage Support ✓ Supported ✓ Supported
Scroll horizontally to see all data

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Select AI Model

Claude Sonnet 4.6
AnthropicMax Context: 1,000,000 tokens
$3 / $15 per 1M tokens
▼
▼
Use Batch API (50% discount)
50%
Provider-specific multipliers applied after all calculations
Enable for cache discounts
Select platform to enforce context limits
Number of requests (max 1M). Summary view auto-enabled >10k.

Calculate Token Costs

$1.331250 Total Cost
$0.187500 Input Cost
$1.125000 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
800,000Total Tokens
$0.001664Cost per 1K
600,939Tokens per $
📊 Advanced Cost Breakdown

Processing Speed

31m 42s Processing Time
450 Tokens/Second
200ms Time to First Token
421 Effective Speed

Model Comparison

Select a model to see comparisons with competitors.

Model Information

Select a model to see detailed information.

🔄 Advanced Options

⚡ Optimization
Flat fee per session (e.g., $0.03 for Code Interpreter)
Hourly storage fee for cached data
First 50 hours free, $0.05/hour after
🧠 Reasoning & Thinking
Manual thinking tokens (billed at output rate)
🔧 Special Modes
Enable 6.0x Fast Mode multiplier
📚 Research & Citations
Enable $1.00/$4.00 rates + $10.00/1k search
Enable research tier pricing
Fee per source cited
🎤 Realtime Audio & Video
Session length for billing
📊 Multiple Models Detected: This page contains data for 2 models. See the detailed comparison table above, and switch between models using tabs below.

Claude Sonnet 4.6 Anthropic 1000000

$1.331250 (rounded ~ $1.33)
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) $1.500000 Input: $0.375000 (rounded ~ $0.38)
Output: $1.125000 (rounded ~ $1.13)
Optimized Cost $1.331250 (rounded ~ $1.33) Input: $0.375000 (rounded ~ $0.38)
Output: $1.125000 (rounded ~ $1.13)
Unit: $0.000000
Fees: $0.000000
Total Savings $0.168750 (rounded ~ $0.17) 11.3% 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 300,000 output tokens:

  • Input Cost: $0.375000 (rounded ~ $0.38)
  • Output Cost: $1.125000 (rounded ~ $1.13)
  • Total Cost: $1.331250 (rounded ~ $1.33)
  • Cost per 1K tokens: $0.001664
  • Tokens per dollar: 600,939 tokens
  • Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 450 tokens per second and 200ms time to first token:

  • Processing Time: 31 minutes, 42.40 seconds
  • Latency: 200 milliseconds to first token
  • Base Throughput: 450 tokens/second
  • Effective Throughput: 421 tokens/second (temperature-adjusted)

Best Use Cases

Choose Claude for high-touchcomplex personalization; choose Gemini for high-throughputlatency-sensitive workflows.

Want this applied to YOUR actual stack?

This calculator shows the math for Claude Sonnet 4.6. 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 →

Gemini 3.5 Flash Google 1000000

$0.778125 (rounded ~ $0.78)
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) $0.862500 (rounded ~ $0.86) Input: $0.187500 (rounded ~ $0.19)
Output: $0.675000 (rounded ~ $0.68)
Optimized Cost $0.778125 (rounded ~ $0.78) Input: $0.187500 (rounded ~ $0.19)
Output: $0.675000 (rounded ~ $0.68)
Unit: $0.000000
Fees: $0.000000
Total Savings $0.084375 (rounded ~ $0.08) 9.8% 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 300,000 output tokens:

  • Input Cost: $0.187500 (rounded ~ $0.19)
  • Output Cost: $0.675000 (rounded ~ $0.68)
  • Total Cost: $0.778125 (rounded ~ $0.78)
  • Cost per 1K tokens: $0.000973
  • Tokens per dollar: 1,028,112 tokens
  • Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 850 tokens per second and 90ms time to first token:

  • Processing Time: 16 minutes, 47.24 seconds
  • Latency: 90 milliseconds to first token
  • Base Throughput: 850 tokens/second
  • Effective Throughput: 794 tokens/second (temperature-adjusted)

Best Use Cases

Choose Claude for high-touchcomplex personalization; choose Gemini for high-throughputlatency-sensitive workflows.

Want this applied to YOUR actual stack?

This calculator shows the math for Gemini 3.5 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 →

✨ Market Recommendations AI Model Registry

← Back to Claude Sonnet 4.6
📋 Active Input Parameters
Input Tokens: 500,000
Output Tokens: 300,000
Batch API: Enabled (50% discount)
Cached Tokens: 50%
Tools: Enabled
Rank AI Model & Provider Total Cost vs Claude Sonnet 4.6 vs Gemini 3.5 Flash
🏆 Gemini 3.1 Flash Lite
Google
 $0.129688 Best Value ↓ 90.3% cheaper ↓ 83.3% cheaper
🥈 Gemini 3.5 Flash-Lite
Google
 $0.208125 (rounded ~ $0.21) ↓ 84.4% cheaper ↓ 73.3% cheaper
🥉 Gemini 2.5 Flash
Google
 $0.208125 (rounded ~ $0.21) ↓ 84.4% cheaper ↓ 73.3% cheaper
#4 Gemini 3.8 Flash
Google
 $0.332813 (rounded ~ $0.33) ↓ 75% cheaper ↓ 57.2% cheaper
#5 GPT-5.6 Luna
OpenAI
 $0.518750 (rounded ~ $0.52) ↓ 61% cheaper ↓ 33.3% cheaper
#6 Gemini 3.6 Flash
Google
 $0.665625 (rounded ~ $0.67) ↓ 50% cheaper ↓ 14.5% cheaper
#7 Gemini 3.5 Flash
Google
 $0.778125 (rounded ~ $0.78) ↓ 41.5% cheaper Same price
#8 Claude Sonnet 5
Anthropic
 $0.887500 (rounded ~ $0.89) ↓ 33.3% cheaper ↑ 14.1% more
#9 Gemini 3.1 Flash
Google
 $1.037500 (rounded ~ $1.04) ↓ 22.1% cheaper ↑ 33.3% more
#10 GPT-5.6 Terra
OpenAI
 $1.296875 (rounded ~ $1.30) ↓ 2.6% cheaper ↑ 66.7% more
#11 Grok 4.3
xAI
 $1.750000 ↑ 31.5% more ↑ 124.9% more
#12 Grok 4.20 Beta
xAI
 $1.750000 ↑ 31.5% more ↑ 124.9% more
#13 Claude Opus 4.7
Anthropic
 $2.218750 (rounded ~ $2.22) ↑ 66.7% more ↑ 185.1% more
#14 Claude Opus 5
Anthropic
 $2.218750 (rounded ~ $2.22) ↑ 66.7% more ↑ 185.1% more
#15 Claude Opus 4.8
Anthropic
 $2.218750 (rounded ~ $2.22) ↑ 66.7% more ↑ 185.1% more
#16 Claude Opus 4.6
Anthropic
 $2.218750 (rounded ~ $2.22) ↑ 66.7% more ↑ 185.1% more
#17 Gemini 2.5 Pro
Google
 $2.593750 (rounded ~ $2.59) ↑ 94.8% more ↑ 233.3% more
#18 GPT-5.6 Sol
OpenAI
 $2.593750 (rounded ~ $2.59) ↑ 94.8% more ↑ 233.3% more
#19 Gemini 3.1 Pro
Google
 $3.250000 ↑ 144.1% more ↑ 317.7% more
#20 GPT-5.4
OpenAI
 $4.062500 (rounded ~ $4.06) ↑ 205.2% more ↑ 422.1% more
#21 GPT-5.4 Thinking
OpenAI
 $4.062500 (rounded ~ $4.06) ↑ 205.2% more ↑ 422.1% more
#22 Claude Fable 5.1
Anthropic
 $4.390625 ↑ 229.8% more ↑ 464.3% more
#23 Claude Mythos 5.1
Anthropic
 $4.390625 ↑ 229.8% more ↑ 464.3% more
#24 Claude Fable 5
Anthropic
 $4.437500 (rounded ~ $4.44) ↑ 233.3% more ↑ 470.3% more
#25 Claude Mythos 5
Anthropic
 $4.437500 (rounded ~ $4.44) ↑ 233.3% more ↑ 470.3% more
#26 GPT-5.5
OpenAI
 $8.125000 (rounded ~ $8.13) ↑ 510.3% more ↑ 944.2% more
#27 GPT-6 Astra
OpenAI
 $17.750000 ↑ 1233.3% more ↑ 2181.1% more
#28 GPT-6 Astra
OpenAI
 $17.750000 ↑ 1233.3% more ↑ 2181.1% more
🏆

Gemini 3.1 Flash Lite
Google

$0.129688
vs Claude Sonnet 4.6: ↓ 90.3%
vs Gemini 3.5 Flash: ↓ 83.3%
🥈

Gemini 3.5 Flash-Lite
Google

$0.208125 (rounded ~ $0.21)
vs Claude Sonnet 4.6: ↓ 84.4%
vs Gemini 3.5 Flash: ↓ 73.3%
🥉

Gemini 2.5 Flash
Google

$0.208125 (rounded ~ $0.21)
vs Claude Sonnet 4.6: ↓ 84.4%
vs Gemini 3.5 Flash: ↓ 73.3%
#4

Gemini 3.8 Flash
Google

$0.332813 (rounded ~ $0.33)
vs Claude Sonnet 4.6: ↓ 75%
vs Gemini 3.5 Flash: ↓ 57.2%
#5

GPT-5.6 Luna
OpenAI

$0.518750 (rounded ~ $0.52)
vs Claude Sonnet 4.6: ↓ 61%
vs Gemini 3.5 Flash: ↓ 33.3%
#6

Gemini 3.6 Flash
Google

$0.665625 (rounded ~ $0.67)
vs Claude Sonnet 4.6: ↓ 50%
vs Gemini 3.5 Flash: ↓ 14.5%
#7

Gemini 3.5 Flash
Google

$0.778125 (rounded ~ $0.78)
vs Claude Sonnet 4.6: ↓ 41.5%
vs Gemini 3.5 Flash: Same
#8

Claude Sonnet 5
Anthropic

$0.887500 (rounded ~ $0.89)
vs Claude Sonnet 4.6: ↓ 33.3%
vs Gemini 3.5 Flash: ↑ 14.1%
#9

Gemini 3.1 Flash
Google

$1.037500 (rounded ~ $1.04)
vs Claude Sonnet 4.6: ↓ 22.1%
vs Gemini 3.5 Flash: ↑ 33.3%
#10

GPT-5.6 Terra
OpenAI

$1.296875 (rounded ~ $1.30)
vs Claude Sonnet 4.6: ↓ 2.6%
vs Gemini 3.5 Flash: ↑ 66.7%
#11

Grok 4.3
xAI

$1.750000
vs Claude Sonnet 4.6: ↑ 31.5%
vs Gemini 3.5 Flash: ↑ 124.9%
#12

Grok 4.20 Beta
xAI

$1.750000
vs Claude Sonnet 4.6: ↑ 31.5%
vs Gemini 3.5 Flash: ↑ 124.9%
#13

Claude Opus 4.7
Anthropic

$2.218750 (rounded ~ $2.22)
vs Claude Sonnet 4.6: ↑ 66.7%
vs Gemini 3.5 Flash: ↑ 185.1%
#14

Claude Opus 5
Anthropic

$2.218750 (rounded ~ $2.22)
vs Claude Sonnet 4.6: ↑ 66.7%
vs Gemini 3.5 Flash: ↑ 185.1%
#15

Claude Opus 4.8
Anthropic

$2.218750 (rounded ~ $2.22)
vs Claude Sonnet 4.6: ↑ 66.7%
vs Gemini 3.5 Flash: ↑ 185.1%
#16

Claude Opus 4.6
Anthropic

$2.218750 (rounded ~ $2.22)
vs Claude Sonnet 4.6: ↑ 66.7%
vs Gemini 3.5 Flash: ↑ 185.1%
#17

Gemini 2.5 Pro
Google

$2.593750 (rounded ~ $2.59)
vs Claude Sonnet 4.6: ↑ 94.8%
vs Gemini 3.5 Flash: ↑ 233.3%
#18

GPT-5.6 Sol
OpenAI

$2.593750 (rounded ~ $2.59)
vs Claude Sonnet 4.6: ↑ 94.8%
vs Gemini 3.5 Flash: ↑ 233.3%
#19

Gemini 3.1 Pro
Google

$3.250000
vs Claude Sonnet 4.6: ↑ 144.1%
vs Gemini 3.5 Flash: ↑ 317.7%
#20

GPT-5.4
OpenAI

$4.062500 (rounded ~ $4.06)
vs Claude Sonnet 4.6: ↑ 205.2%
vs Gemini 3.5 Flash: ↑ 422.1%
#21

GPT-5.4 Thinking
OpenAI

$4.062500 (rounded ~ $4.06)
vs Claude Sonnet 4.6: ↑ 205.2%
vs Gemini 3.5 Flash: ↑ 422.1%
#22

Claude Fable 5.1
Anthropic

$4.390625
vs Claude Sonnet 4.6: ↑ 229.8%
vs Gemini 3.5 Flash: ↑ 464.3%
#23

Claude Mythos 5.1
Anthropic

$4.390625
vs Claude Sonnet 4.6: ↑ 229.8%
vs Gemini 3.5 Flash: ↑ 464.3%
#24

Claude Fable 5
Anthropic

$4.437500 (rounded ~ $4.44)
vs Claude Sonnet 4.6: ↑ 233.3%
vs Gemini 3.5 Flash: ↑ 470.3%
#25

Claude Mythos 5
Anthropic

$4.437500 (rounded ~ $4.44)
vs Claude Sonnet 4.6: ↑ 233.3%
vs Gemini 3.5 Flash: ↑ 470.3%
#26

GPT-5.5
OpenAI

$8.125000 (rounded ~ $8.13)
vs Claude Sonnet 4.6: ↑ 510.3%
vs Gemini 3.5 Flash: ↑ 944.2%
#27

GPT-6 Astra
OpenAI

$17.750000
vs Claude Sonnet 4.6: ↑ 1233.3%
vs Gemini 3.5 Flash: ↑ 2181.1%
#28

GPT-6 Astra
OpenAI

$17.750000
vs Claude Sonnet 4.6: ↑ 1233.3%
vs Gemini 3.5 Flash: ↑ 2181.1%
✨ 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 high-volume email personalization, the choice between these two models hinges on your specific operational priorities. In 2026, personalized outbound at scale requires balancing nuanced writing with raw throughput. Claude Sonnet 4.6 excels at maintaining a sophisticated, conversational tone, making it the preferred choice when your email strategy relies on high-touch, human-like copy that avoids the generic feel of template-based systems. It handles complex instructions well, ensuring that the personalization logic—such as referencing specific prospect data points or past interactions—remains consistent throughout long sequences.

Conversely, Gemini 3.5 Flash is engineered for speed and high-throughput environments. For teams managing hundreds of daily personalized drafts where latency is a critical bottleneck, Gemini offers significant advantages in processing speed. It is highly effective for rapid-fire generation tasks where the primary goal is getting a drafted message ready for human review without significant delays. While Claude offers superior depth for complex, multi-layered personalization, Gemini’s architecture is optimized for the rapid, high-volume churn required by modern sales engagement platforms. If your workflow involves integrating with large-scale CRMs where data latency is a constant friction point, Gemini provides the responsiveness necessary to keep your pipelines moving. The decision ultimately rests on whether your outreach strategy prioritizes editorial nuance or raw operational velocity at scale.

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.

Related model pricing

Claude Sonnet 4.6 currently costs $3.00 / $15.00 per 1M tokens. These are the models worth pricing against it, taken live from the tracked registry.

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