Claude Sonnet 4.6 vs Gemini 3.1 Flash for 1,000 Invoice Extractions Monthly

Claude Sonnet 4.6 has been replaced by Claude Sonnet 5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 3.1 Flash
Complete Comparison: 1,000,000 input tokens × 500 output tokens
Comparison Mode
🖼️ 1000 Images ⚡ 20% Cached

Complete comparison of pricing, performance, and capabilities for 2 leading AI models with 1000 Images, 20% Cached.

🖼️ Multimodal Input ⚡ Caching Optimized (up to 90% savings) 📊 Batch API
Comparison Criteria Claude Sonnet 4.6
Anthropic
Gemini 3.1 Flash
Google
Calculation Results (Current Inputs) (1000 images, 20% cached)
Input Tokens 1,000,000 1,000,000
Output Tokens 500 500
Cost Breakdown
Input Cost $1.137000 (rounded ~ $1.14)Worst $0.758000 (rounded ~ $0.76)Best
Output Cost $0.001875Worst $0.001500Best
Unit Cost (Audio/OCR) $0.000000 $0.000000
Service Fees $0.000000 $0.000000
Total Cost $0.934215 (rounded ~ $0.93) Most Expensive $0.623060 (rounded ~ $0.62) Best Value
Processing Time 57 minutes, 17.58 seconds Slowest 32 minutes, 13.72 seconds Fastest
Tokens per Second 450Slowest 800Fastest
Time to First Token 200ms Worst 100ms Best
Cost per 1K tokens $0.000616Worst $0.000411Best
Tokens per Dollar 1,623,288Worst Value 2,433,955Best Value
Cost per 1 Million Tokens (Informational)
Input Cost / 1M (Base) $0.750000Worst $0.500000Best
Output Cost / 1M (Base) $3.750000Worst $3.000000Best
Input Cost / 1M (Optimized) $0.375000 (rounded ~ $0.38)Worst
Optimizations: 50.0% batch
$0.250000Best
Optimizations: 50.0% batch
Output Cost / 1M (Optimized) $1.875000 (rounded ~ $1.88)Worst
Optimizations: 50.0% batch
$1.500000Best
Optimizations: 50.0% batch
Capabilities & Advanced Features
Images Support
1000
✓ Supported ✓ Supported
Video Support ✗ Not Supported ✓ Supported
Audio Support ✗ Not Supported ✓ Supported
Caching Support
20
✓ Supported ✓ Supported
Batch API Support ✓ Supported ✓ Supported
Tool Usage Support ✓ Supported ✓ Supported
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ℹ️ Bulk Calculation: Total volume exceeds single-request limit of 1,000,000 tokens. Budgeting mode active.

Select AI Model

Claude Sonnet 4.6
AnthropicMax Context: 1,000,000 tokens
$3 / $15 per 1M tokens
Use Batch API (50% discount)
20%
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.
Will auto-convert to minutes for Voxtral models (9000 tokens = 1 min)
$0.067 per 1,000 pixels

Calculate Token Costs

$0.909600 Input Cost
$0.001875 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
1,516,500Total Tokens
$0.000616Cost per 1K
1,623,288Tokens per $
📊 Advanced Cost Breakdown

Processing Speed

57m 17s Processing Time
450 Tokens/Second
200ms Time to First Token
441 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

$0.934215 (rounded ~ $0.93)
Total Cost
⚠️ Bulk Calculation: Total volume exceeds single-request limit of 1,000,000 tokens. Budgeting mode active.
🖼️ 1000 Image (Medium) ⚡ 20% 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) $1.138875 (rounded ~ $1.14) Input: $1.137000 (rounded ~ $1.14)
Output: $0.001875
Optimized Cost $0.934215 (rounded ~ $0.93) Input: $1.137000 (rounded ~ $1.14)
Output: $0.001875
Unit: $0.000000
Fees: $0.000000
Total Savings $0.204660 (rounded ~ $0.20) 18.0% discount

Advanced Cost Breakdown (from Plugin)

🖼️ Multimodal Input
$0.000000
516,000 tokens
📊 Batch API
50.0% off
Asynchronous processing discount

Multimodal Input Details

🖼️ Images
Count: 1000
Resolution: Medium
Tokens: 516,000
Cost: $0.000000

Detailed Cost Analysis (from Plugin)

For 1,000,000 input tokens and 500 output tokens:

  • Input Cost: $1.137000 (rounded ~ $1.14)
  • Output Cost: $0.001875
  • Total Cost: $0.934215 (rounded ~ $0.93)
  • Cost per 1K tokens: $0.000616
  • Tokens per dollar: 1,623,288 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: 57 minutes, 17.58 seconds
  • Latency: 200 milliseconds to first token
  • Base Throughput: 450 tokens/second
  • Effective Throughput: 441 tokens/second (temperature-adjusted)

Best Use Cases

Choose Sonnet 4.6 for complexhigh-accuracy invoice logic; use Gemini 3.1 Flash for high-speedcost-efficient processing of standardized invoice formats.

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 3.1 Flash Google 1000000

$0.623060 (rounded ~ $0.62)
Total Cost
⚠️ Bulk Calculation: Total volume exceeds single-request limit of 1,000,000 tokens. Budgeting mode active.
🖼️ 1000 Image (Medium) ⚡ 20% 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) $0.759500 Input: $0.758000 (rounded ~ $0.76)
Output: $0.001500
Optimized Cost $0.623060 (rounded ~ $0.62) Input: $0.758000 (rounded ~ $0.76)
Output: $0.001500
Unit: $0.000000
Fees: $0.000000
Total Savings $0.136440 (rounded ~ $0.14) 18.0% discount

Advanced Cost Breakdown (from Plugin)

🖼️ Multimodal Input
$0.000000
516,000 tokens
📊 Batch API
50.0% off
Asynchronous processing discount
📊 Dynamic Tier
Premium
tier2 pricing based on 0 tokens

Multimodal Input Details

🖼️ Images
Count: 1000
Resolution: Medium
Tokens: 516,000
Cost: $0.000000

Detailed Cost Analysis (from Plugin)

For 1,000,000 input tokens and 500 output tokens:

  • Input Cost: $0.758000 (rounded ~ $0.76)
  • Output Cost: $0.001500
  • Total Cost: $0.623060 (rounded ~ $0.62)
  • Cost per 1K tokens: $0.000411
  • Tokens per dollar: 2,433,955 tokens
  • Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 800 tokens per second and 100ms time to first token:

  • Processing Time: 32 minutes, 13.72 seconds
  • Latency: 100 milliseconds to first token
  • Base Throughput: 800 tokens/second
  • Effective Throughput: 784 tokens/second (temperature-adjusted)

Best Use Cases

Choose Sonnet 4.6 for complexhigh-accuracy invoice logic; use Gemini 3.1 Flash for high-speedcost-efficient processing of standardized invoice formats.

Want this applied to YOUR actual stack?

This calculator shows the math for Gemini 3.1 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: 1,000,000
Output Tokens: 500
Batch API: Enabled (50% discount)
Cached Tokens: 20%
Images: 1000 (Medium Resolution)
Tools: Enabled
Rank AI Model & Provider Total Cost vs Claude Sonnet 4.6 vs Gemini 3.1 Flash
🏆 Gemini 3.5 Flash-Lite
Google
$0.093547 (rounded ~ $0.09) Best Value ↓ 90% cheaper ↓ 85% cheaper
🥈 Gemini 3.8 Flash
Google
$0.233554 (rounded ~ $0.23) ↓ 75% cheaper ↓ 62.5% cheaper
🥉 Gemini 3.6 Flash
Google
$0.467108 (rounded ~ $0.47) ↓ 50% cheaper ↓ 25% cheaper
#4 Gemini 2.5 Pro
Google
$1.557650 (rounded ~ $1.56) ↑ 66.7% more ↑ 150% more
#5 GPT-5.4
OpenAI
$3.113425 (rounded ~ $3.11) ↑ 233.3% more ↑ 399.7% more
#6 GPT-5.4 Thinking
OpenAI
$3.113425 (rounded ~ $3.11) ↑ 233.3% more ↑ 399.7% more
#7 GPT-6 Astra
OpenAI
$12.456200 (rounded ~ $12.46) ↑ 1233.3% more ↑ 1899.2% more
#8 GPT-6 Astra
OpenAI
$12.456200 (rounded ~ $12.46) ↑ 1233.3% more ↑ 1899.2% more
🏆

Gemini 3.5 Flash-Lite
Google

$0.093547 (rounded ~ $0.09)
vs Claude Sonnet 4.6: ↓ 90%
vs Gemini 3.1 Flash: ↓ 85%
🥈

Gemini 3.8 Flash
Google

$0.233554 (rounded ~ $0.23)
vs Claude Sonnet 4.6: ↓ 75%
vs Gemini 3.1 Flash: ↓ 62.5%
🥉

Gemini 3.6 Flash
Google

$0.467108 (rounded ~ $0.47)
vs Claude Sonnet 4.6: ↓ 50%
vs Gemini 3.1 Flash: ↓ 25%
#4

Gemini 2.5 Pro
Google

$1.557650 (rounded ~ $1.56)
vs Claude Sonnet 4.6: ↑ 66.7%
vs Gemini 3.1 Flash: ↑ 150%
#5

GPT-5.4
OpenAI

$3.113425 (rounded ~ $3.11)
vs Claude Sonnet 4.6: ↑ 233.3%
vs Gemini 3.1 Flash: ↑ 399.7%
#6

GPT-5.4 Thinking
OpenAI

$3.113425 (rounded ~ $3.11)
vs Claude Sonnet 4.6: ↑ 233.3%
vs Gemini 3.1 Flash: ↑ 399.7%
#7

GPT-6 Astra
OpenAI

$12.456200 (rounded ~ $12.46)
vs Claude Sonnet 4.6: ↑ 1233.3%
vs Gemini 3.1 Flash: ↑ 1899.2%
#8

GPT-6 Astra
OpenAI

$12.456200 (rounded ~ $12.46)
vs Claude Sonnet 4.6: ↑ 1233.3%
vs Gemini 3.1 Flash: ↑ 1899.2%
✨ 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 research teams and SaaS companies handling high-volume document extraction, selecting the right model requires balancing reasoning depth with throughput efficiency. When processing 1,000 invoices monthly, the choice between Claude Sonnet 4.6 and Gemini 3.1 Flash often hinges on the specific nature of your data and your architectural requirements.

Claude Sonnet 4.6 is frequently the preferred choice for complex, high-stakes invoice extraction where instruction following and structured output reliability are paramount. Its architectural strengths lie in nuanced reasoning and superior handling of multi-step extraction logic, which is critical when dealing with diverse invoice formats—some simple, others laden with idiosyncratic data fields. If your extraction pipeline requires the model to perform validation checks, handle OCR errors, or reconcile data across multiple pages, Sonnet 4.6 offers a robust, developer-friendly experience that minimizes the need for iterative prompting.

Conversely, Gemini 3.1 Flash is engineered for scale and speed. In production environments where latency is a bottleneck or where invoices are relatively standardized, Flash delivers exceptional performance at a high throughput. It excels at rapid, multimodal ingestion, making it a strong contender for pipelines that require constant, low-latency processing. While it may require slightly more robust post-processing for complex edge cases compared to Sonnet, its efficiency makes it highly cost-effective for large-scale, automated workflows. For teams building autonomous agents or RAG systems that ingest massive amounts of raw document data, Flash provides the necessary performance to maintain system responsiveness without sacrificing accuracy on standard document layouts.

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 are image tokens calculated?
Images are tokenized based on resolution: Low: 85 tokens, Medium: 170 tokens, High: 255 tokens, Full: 765 tokens per image. Some models (like Llama 4 Maverick) use tile-based encoding with 1,610 tokens/image (standard) or 8,050 tokens/image (high-res).
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.