Claude Sonnet 4.6 vs DeepSeek V4 Flash for 500K-Token IDE Contexts

Claude Sonnet 4.6 has been replaced by Claude Sonnet 5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 DeepSeek V4 Flash
Complete Comparison: 500,000 input tokens × 1,000 output tokens
Comparison Mode
⚡ 60% Cached

Complete comparison of pricing, performance, and capabilities for 2 leading AI models with 60% Cached.

⚡ Caching Optimized (up to 98% savings) 📊 Batch API
Comparison Criteria Claude Sonnet 4.6
Anthropic
DeepSeek V4 Flash
DeepSeek
Calculation Results (Current Inputs) (60% cached)
Input Tokens 500,000 500,000
Output Tokens 1,000 1,000
Cost Breakdown
Input Cost $0.375000 (rounded ~ $0.38)Worst $0.070000Best
Output Cost $0.003750Worst $0.000280Best
Unit Cost (Audio/OCR) $0.000000 $0.000000
Service Fees $0.000000 $0.000000
Total Cost $0.176250 (rounded ~ $0.18) Most Expensive $0.029120 Best Value
Processing Time 19 minutes, 6.91 seconds Slowest 13 minutes, 14.07 seconds Fastest
Tokens per Second 450Slowest 650Fastest
Time to First Token 200ms Worst 95ms Best
Cost per 1K tokens $0.000352Worst $0.000058Best
Tokens per Dollar 2,842,553Worst Value 17,204,670Best Value
Cost per 1 Million Tokens (Informational)
Input Cost / 1M (Base) $0.750000Worst $0.140000Best
Output Cost / 1M (Base) $3.750000Worst $0.280000Best
Input Cost / 1M (Optimized) $0.375000 (rounded ~ $0.38)Worst
Optimizations: 50.0% batch
$0.140000Best
Optimizations: No optimizations applied
Output Cost / 1M (Optimized) $1.875000 (rounded ~ $1.88)Worst
Optimizations: 50.0% batch
$0.280000Best
Optimizations: No optimizations applied
Capabilities & Advanced Features
Images Support ✓ Supported ✗ Not Supported
Caching Support
60
✓ Supported ✓ Supported
Batch API Support ✓ Supported ✗ Not 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)
60%
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

$0.176250 Total Cost
$0.150000 Input Cost
$0.003750 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
501,000Total Tokens
$0.000352Cost per 1K
2,842,553Tokens per $
📊 Advanced Cost Breakdown

Processing Speed

19m 6s Processing Time
450 Tokens/Second
200ms Time to First Token
437 Effective Speed

Model Comparison

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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

$0.176250 (rounded ~ $0.18)
Total Cost
⚡ 60% 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) $0.378750 (rounded ~ $0.38) Input: $0.375000 (rounded ~ $0.38)
Output: $0.003750
Optimized Cost $0.176250 (rounded ~ $0.18) Input: $0.375000 (rounded ~ $0.38)
Output: $0.003750
Unit: $0.000000
Fees: $0.000000
Total Savings $0.202500 (rounded ~ $0.20) 53.5% 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 1,000 output tokens:

  • Input Cost: $0.375000 (rounded ~ $0.38)
  • Output Cost: $0.003750
  • Total Cost: $0.176250 (rounded ~ $0.18)
  • Cost per 1K tokens: $0.000352
  • Tokens per dollar: 2,842,553 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: 19 minutes, 6.91 seconds
  • Latency: 200 milliseconds to first token
  • Base Throughput: 450 tokens/second
  • Effective Throughput: 437 tokens/second (temperature-adjusted)

Best Use Cases

Claude Sonnet 4.6 for complex refactoring and agent planning; DeepSeek V4 Flash for high-throughput coding agents and cost-effective real-time completion.

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 →

DeepSeek V4 Flash DeepSeek 1000000

$0.029120
Total Cost
⚡ 60% Cached 📊 Batch API 🔧 Tools
👁️
Vision/Images
✗ Not Available
🎧
Audio Processing
✗ Not Available
🎥
Video Analysis
✗ Not Available
🔧
Tool Usage
✓ Available
📄
OCR Support
✗ Not Available
📊
Batch API
✗ Not Available
⚡
Caching
✓ Available
98% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $0.070280 Input: $0.070000
Output: $0.000280
Optimized Cost $0.029120 Input: $0.070000
Output: $0.000280
Unit: $0.000000
Fees: $0.000000
Total Savings $0.041160 (rounded ~ $0.04) 58.6% discount

Detailed Cost Analysis (from Plugin)

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

  • Input Cost: $0.070000
  • Output Cost: $0.000280
  • Total Cost: $0.029120
  • Cost per 1K tokens: $0.000058
  • Tokens per dollar: 17,204,670 tokens
  • Context Window: 1000000 tokens

Speed & Performance Analysis

With a processing speed of 650 tokens per second and 95ms time to first token:

  • Processing Time: 13 minutes, 14.07 seconds
  • Latency: 95 milliseconds to first token
  • Base Throughput: 650 tokens/second
  • Effective Throughput: 631 tokens/second (temperature-adjusted)

Best Use Cases

Claude Sonnet 4.6 for complex refactoring and agent planning; DeepSeek V4 Flash for high-throughput coding agents and cost-effective real-time completion.

Want this applied to YOUR actual stack?

This calculator shows the math for DeepSeek V4 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: 1,000
Batch API: Enabled (50% discount)
Cached Tokens: 60%
Tools: Enabled
Rank AI Model & Provider Total Cost vs Claude Sonnet 4.6 vs DeepSeek V4 Flash
🏆 Gemini 3.1 Flash Lite
Google
 $0.014750 (rounded ~ $0.01) Best Value ↓ 91.6% cheaper ↓ 49.3% cheaper
🥈 Gemini 3.5 Flash-Lite
Google
 $0.017875 (rounded ~ $0.02) ↓ 89.9% cheaper ↓ 38.6% cheaper
🥉 Gemini 2.5 Flash
Google
 $0.017875 (rounded ~ $0.02) ↓ 89.9% cheaper ↓ 38.6% cheaper
#4 Gemini 3.8 Flash
Google
 $0.044063 (rounded ~ $0.04) ↓ 75% cheaper ↑ 51.3% more
#5 GPT-5.6 Luna
OpenAI
 $0.059000 ↓ 66.5% cheaper ↑ 102.6% more
#6 Gemini 3.6 Flash
Google
 $0.088125 (rounded ~ $0.09) ↓ 50% cheaper ↑ 202.6% more
#7 Gemini 3.5 Flash
Google
 $0.088500 (rounded ~ $0.09) ↓ 49.8% cheaper ↑ 203.9% more
#8 Claude Sonnet 5
Anthropic
 $0.117500 (rounded ~ $0.12) ↓ 33.3% cheaper ↑ 303.5% more
#9 Gemini 3.1 Flash
Google
 $0.118000 (rounded ~ $0.12) ↓ 33% cheaper ↑ 305.2% more
#10 GPT-5.6 Terra
OpenAI
 $0.147500 (rounded ~ $0.15) ↓ 16.3% cheaper ↑ 406.5% more
#11 Claude Opus 4.7
Anthropic
 $0.293750 (rounded ~ $0.29) ↑ 66.7% more ↑ 908.8% more
#12 Claude Opus 5
Anthropic
 $0.293750 (rounded ~ $0.29) ↑ 66.7% more ↑ 908.8% more
#13 Claude Opus 4.8
Anthropic
 $0.293750 (rounded ~ $0.29) ↑ 66.7% more ↑ 908.8% more
#14 Claude Opus 4.6
Anthropic
 $0.293750 (rounded ~ $0.29) ↑ 66.7% more ↑ 908.8% more
#15 Gemini 2.5 Pro
Google
 $0.295000 (rounded ~ $0.30) ↑ 67.4% more ↑ 913% more
#16 GPT-5.6 Sol
OpenAI
 $0.295000 (rounded ~ $0.30) ↑ 67.4% more ↑ 913% more
#17 Grok 4.3
xAI
 $0.464000 (rounded ~ $0.46) ↑ 163.3% more ↑ 1493.4% more
#18 Grok 4.20 Beta
xAI
 $0.464000 (rounded ~ $0.46) ↑ 163.3% more ↑ 1493.4% more
#19 Gemini 3.1 Pro
Google
 $0.469000 ↑ 166.1% more ↑ 1510.6% more
#20 Claude Fable 5.1
Anthropic
 $0.531250 (rounded ~ $0.53) ↑ 201.4% more ↑ 1724.3% more
#21 Claude Mythos 5.1
Anthropic
 $0.531250 (rounded ~ $0.53) ↑ 201.4% more ↑ 1724.3% more
#22 GPT-5.4
OpenAI
 $0.586250 (rounded ~ $0.59) ↑ 232.6% more ↑ 1913.2% more
#23 GPT-5.4 Thinking
OpenAI
 $0.586250 (rounded ~ $0.59) ↑ 232.6% more ↑ 1913.2% more
#24 Claude Fable 5
Anthropic
 $0.587500 (rounded ~ $0.59) ↑ 233.3% more ↑ 1917.5% more
#25 Claude Mythos 5
Anthropic
 $0.587500 (rounded ~ $0.59) ↑ 233.3% more ↑ 1917.5% more
#26 GPT-5.5
OpenAI
 $1.172500 (rounded ~ $1.17) ↑ 565.2% more ↑ 3926.4% more
#27 GPT-6 Astra
OpenAI
 $2.350000 ↑ 1233.3% more ↑ 7970.1% more
#28 GPT-6 Astra
OpenAI
 $2.350000 ↑ 1233.3% more ↑ 7970.1% more
🏆

Gemini 3.1 Flash Lite
Google

$0.014750 (rounded ~ $0.01)
vs Claude Sonnet 4.6: ↓ 91.6%
vs DeepSeek V4 Flash: ↓ 49.3%
🥈

Gemini 3.5 Flash-Lite
Google

$0.017875 (rounded ~ $0.02)
vs Claude Sonnet 4.6: ↓ 89.9%
vs DeepSeek V4 Flash: ↓ 38.6%
🥉

Gemini 2.5 Flash
Google

$0.017875 (rounded ~ $0.02)
vs Claude Sonnet 4.6: ↓ 89.9%
vs DeepSeek V4 Flash: ↓ 38.6%
#4

Gemini 3.8 Flash
Google

$0.044063 (rounded ~ $0.04)
vs Claude Sonnet 4.6: ↓ 75%
vs DeepSeek V4 Flash: ↑ 51.3%
#5

GPT-5.6 Luna
OpenAI

$0.059000
vs Claude Sonnet 4.6: ↓ 66.5%
vs DeepSeek V4 Flash: ↑ 102.6%
#6

Gemini 3.6 Flash
Google

$0.088125 (rounded ~ $0.09)
vs Claude Sonnet 4.6: ↓ 50%
vs DeepSeek V4 Flash: ↑ 202.6%
#7

Gemini 3.5 Flash
Google

$0.088500 (rounded ~ $0.09)
vs Claude Sonnet 4.6: ↓ 49.8%
vs DeepSeek V4 Flash: ↑ 203.9%
#8

Claude Sonnet 5
Anthropic

$0.117500 (rounded ~ $0.12)
vs Claude Sonnet 4.6: ↓ 33.3%
vs DeepSeek V4 Flash: ↑ 303.5%
#9

Gemini 3.1 Flash
Google

$0.118000 (rounded ~ $0.12)
vs Claude Sonnet 4.6: ↓ 33%
vs DeepSeek V4 Flash: ↑ 305.2%
#10

GPT-5.6 Terra
OpenAI

$0.147500 (rounded ~ $0.15)
vs Claude Sonnet 4.6: ↓ 16.3%
vs DeepSeek V4 Flash: ↑ 406.5%
#11

Claude Opus 4.7
Anthropic

$0.293750 (rounded ~ $0.29)
vs Claude Sonnet 4.6: ↑ 66.7%
vs DeepSeek V4 Flash: ↑ 908.8%
#12

Claude Opus 5
Anthropic

$0.293750 (rounded ~ $0.29)
vs Claude Sonnet 4.6: ↑ 66.7%
vs DeepSeek V4 Flash: ↑ 908.8%
#13

Claude Opus 4.8
Anthropic

$0.293750 (rounded ~ $0.29)
vs Claude Sonnet 4.6: ↑ 66.7%
vs DeepSeek V4 Flash: ↑ 908.8%
#14

Claude Opus 4.6
Anthropic

$0.293750 (rounded ~ $0.29)
vs Claude Sonnet 4.6: ↑ 66.7%
vs DeepSeek V4 Flash: ↑ 908.8%
#15

Gemini 2.5 Pro
Google

$0.295000 (rounded ~ $0.30)
vs Claude Sonnet 4.6: ↑ 67.4%
vs DeepSeek V4 Flash: ↑ 913%
#16

GPT-5.6 Sol
OpenAI

$0.295000 (rounded ~ $0.30)
vs Claude Sonnet 4.6: ↑ 67.4%
vs DeepSeek V4 Flash: ↑ 913%
#17

Grok 4.3
xAI

$0.464000 (rounded ~ $0.46)
vs Claude Sonnet 4.6: ↑ 163.3%
vs DeepSeek V4 Flash: ↑ 1493.4%
#18

Grok 4.20 Beta
xAI

$0.464000 (rounded ~ $0.46)
vs Claude Sonnet 4.6: ↑ 163.3%
vs DeepSeek V4 Flash: ↑ 1493.4%
#19

Gemini 3.1 Pro
Google

$0.469000
vs Claude Sonnet 4.6: ↑ 166.1%
vs DeepSeek V4 Flash: ↑ 1510.6%
#20

Claude Fable 5.1
Anthropic

$0.531250 (rounded ~ $0.53)
vs Claude Sonnet 4.6: ↑ 201.4%
vs DeepSeek V4 Flash: ↑ 1724.3%
#21

Claude Mythos 5.1
Anthropic

$0.531250 (rounded ~ $0.53)
vs Claude Sonnet 4.6: ↑ 201.4%
vs DeepSeek V4 Flash: ↑ 1724.3%
#22

GPT-5.4
OpenAI

$0.586250 (rounded ~ $0.59)
vs Claude Sonnet 4.6: ↑ 232.6%
vs DeepSeek V4 Flash: ↑ 1913.2%
#23

GPT-5.4 Thinking
OpenAI

$0.586250 (rounded ~ $0.59)
vs Claude Sonnet 4.6: ↑ 232.6%
vs DeepSeek V4 Flash: ↑ 1913.2%
#24

Claude Fable 5
Anthropic

$0.587500 (rounded ~ $0.59)
vs Claude Sonnet 4.6: ↑ 233.3%
vs DeepSeek V4 Flash: ↑ 1917.5%
#25

Claude Mythos 5
Anthropic

$0.587500 (rounded ~ $0.59)
vs Claude Sonnet 4.6: ↑ 233.3%
vs DeepSeek V4 Flash: ↑ 1917.5%
#26

GPT-5.5
OpenAI

$1.172500 (rounded ~ $1.17)
vs Claude Sonnet 4.6: ↑ 565.2%
vs DeepSeek V4 Flash: ↑ 3926.4%
#27

GPT-6 Astra
OpenAI

$2.350000
vs Claude Sonnet 4.6: ↑ 1233.3%
vs DeepSeek V4 Flash: ↑ 7970.1%
#28

GPT-6 Astra
OpenAI

$2.350000
vs Claude Sonnet 4.6: ↑ 1233.3%
vs DeepSeek V4 Flash: ↑ 7970.1%
✨ 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.

Choosing the Right Model for Large-Context Coding

Selecting the backbone for an AI-powered code generation IDE requires a trade-off between absolute reasoning depth and inference efficiency. This comparison focuses on two of the most capable models for handling 500,000-token context windows, which are essential when indexing entire repositories for context-aware suggestions.

Claude Sonnet 4.6 is widely recognized for its superior instruction-following and nuanced reasoning. It excels in complex multi-file refactoring and architectural planning, where the model must understand the global impact of a localized change. For developers who prioritize code correctness and safety in their agentic workflows, Sonnet 4.6 provides a level of reliability that is unmatched in mid-tier models. Its ability to navigate large codebases with minimal hallucination makes it an excellent choice for the ‘review’ or ‘planning’ stages of a coding agent’s logic.

Conversely, DeepSeek V4 Flash is optimized for raw speed and throughput. It utilizes a sparse architecture that allows it to maintain high performance while significantly reducing the computational overhead. For solo founders optimizing for scale, this model provides an exceptionally high return on investment. While it may occasionally require more explicit prompt engineering to achieve the same level of architectural coherence as Sonnet, its latency advantages make it a formidable contender for real-time, interactive IDE features where responsiveness is the make-or-break metric for user retention.

Ultimately, the choice depends on your feature set: use Sonnet for agents that perform high-stakes refactoring, and Flash for autocomplete systems where the cost-per-suggest must stay low.

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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