Model Comparison

Claude 3 Sonnet vs Devstral MediumWhich is better in 2026?

Comparing Claude 3 Sonnet and Devstral Medium across benchmarks, pricing, and capabilities.

Verdict: Claude 3 Sonnet vs Devstral Medium — which is better?

Claude 3 Sonnet (by Anthropic) and Devstral Medium (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Devstral Medium is roughly 7.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3 Sonnet also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3 Sonnet if…

  • you process long inputs — it offers a 200,000 token context window

Choose Devstral Medium if…

  • cost matters — it's about 7.5x cheaper per token
  • you want the most recent training data — it shipped Jul 2025
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude 3 Sonnet and Devstral Mediumdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Devstral Medium costs less

For input processing, Claude 3 Sonnet ($3.00/1M tokens) is 7.5x more expensive than Devstral Medium ($0.40/1M tokens).

For output processing, Claude 3 Sonnet ($15.00/1M tokens) is 7.5x more expensive than Devstral Medium ($2.00/1M tokens).

In conclusion, Claude 3 Sonnet is more expensive than Devstral Medium.*

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

Lowest available price from all providers
Tue Jun 23 2026 • llm-stats.com
Anthropic
Claude 3 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
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude 3 Sonnet accepts 200,000 input tokens compared to Devstral Medium's 128,000 tokens. Claude 3 Sonnet can generate longer responses up to 200,000 tokens, while Devstral Medium is limited to 128,000 tokens.

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
Mistral AI
Devstral Medium
Input128,000 tokens
Output128,000 tokens
Tue Jun 23 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3 Sonnet supports multimodal inputs, whereas Devstral Medium does not.

Claude 3 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3 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 Sonnet

Proprietary

Closed source

Devstral Medium

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Devstral Medium was released on 2025-07-10.

Devstral Medium is 17 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.3 years ago

Devstral Medium

Jul 10, 2025

11 months ago

1.4yr 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 Sonnet is available from Anthropic, Bedrock, Google. Devstral Medium is available from Mistral AI.

Claude 3 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

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Mistral AI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
Mistral AI
Devstral Medium

FAQ

Common questions about Claude 3 Sonnet vs Devstral Medium.

Which is better, Claude 3 Sonnet or Devstral Medium?

Claude 3 Sonnet (Anthropic) and Devstral Medium (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude 3 Sonnet compare to Devstral Medium in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. Devstral Medium scores SWE-Bench Verified: 61.6%.

Is Claude 3 Sonnet cheaper than Devstral Medium?

Devstral Medium is 7.5x cheaper for input tokens. Claude 3 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.

What are the context window sizes for Claude 3 Sonnet and Devstral Medium?

Claude 3 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.

What are the main differences between Claude 3 Sonnet and Devstral Medium?

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.

Who makes Claude 3 Sonnet and Devstral Medium?

Claude 3 Sonnet is developed by Anthropic and Devstral Medium is developed by Mistral AI.

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