Model Comparison

Claude 3.5 Sonnet vs Devstral Medium

Devstral Medium significantly outperforms across most benchmarks. Devstral Medium is 7.5x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3.5 Sonnet outperforms in 0 benchmarks, while Devstral Medium is better at 1 benchmark (SWE-Bench Verified).

Devstral Medium significantly outperforms across most benchmarks.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Devstral Medium costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 7.5x more expensive than Devstral Medium ($0.40/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 7.5x more expensive than Devstral Medium ($2.00/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than Devstral Medium.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Apr 17 2026 • llm-stats.com
Anthropic
Claude 3.5 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Mistral AI
Devstral Medium
Input tokens$0.40
Output tokens$2.00
Best providerMistral
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Context Window

Maximum input and output token capacity

Claude 3.5 Sonnet accepts 200,000 input tokens compared to Devstral Medium's 128,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while Devstral Medium is limited to 128,000 tokens.

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Mistral AI
Devstral Medium
Input128,000 tokens
Output128,000 tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3.5 Sonnet supports multimodal inputs, whereas Devstral Medium does not.

Claude 3.5 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 Sonnet

Text
Images
Audio
Video

Devstral Medium

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3.5 Sonnet

Proprietary

Closed source

Devstral Medium

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Devstral Medium was released on 2025-07-10.

Devstral Medium is 9 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Oct 22, 2024

1.5 years ago

Devstral Medium

Jul 10, 2025

9 months ago

8mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3.5 Sonnet is available from Anthropic, Bedrock, Google. Devstral Medium is available from Mistral AI.

Claude 3.5 Sonnet

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Devstral Medium

mistral logo
Mistral
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Mistral AI
Less expensive input tokens
Less expensive output tokens
Higher SWE-Bench Verified score (61.6% vs 49.0%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Sonnet
Mistral AI
Devstral Medium

FAQ

Common questions about Claude 3.5 Sonnet vs Devstral Medium

Devstral Medium significantly outperforms across most benchmarks. Claude 3.5 Sonnet is made by Anthropic and Devstral Medium is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3.5 Sonnet scores GSM8k: 96.4%, DocVQA: 95.2%, AI2D: 94.7%, HumanEval: 93.7%, BIG-Bench Hard: 93.1%. Devstral Medium scores SWE-Bench Verified: 61.6%.
Devstral Medium is 7.5x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Devstral Medium costs $0.40/M input and $2.00/M output via mistral.
Claude 3.5 Sonnet supports 200K tokens and Devstral Medium supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 128K), input pricing ($3.00 vs $0.40/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
Claude 3.5 Sonnet is developed by Anthropic and Devstral Medium is developed by Mistral AI.