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Devstral Medium vs Devstral Small 1.1

Devstral Medium and Devstral Small 1.1 are closely matched at 13.6 and 9.3 on the LLM Stats Score. Devstral Small 1.1 is 5.3x cheaper per token.

Mistral AI · Mistral AI · Updated for 2026

Which is better?

Devstral Medium and Devstral Small 1.1 are closely matched on the overall LLM Stats Score at 13.6 and 9.3.

In the 1 individual benchmarks reported for both models, Devstral Medium wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Devstral Small 1.1 is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Devstral Medium

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Devstral Small 1.1

  • cost matters — it's about 5.3x cheaper per token
  • you want the most recent training data — it shipped Jul 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
13.6
#243
9.3
#269
13.5
#236
9.2
#264
5.3
#200
0.7
#237
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.40 / M
$0.10 / M
Output price
$2.00 / M
$0.30 / M
Context window
128,000
128,000

Individual benchmarks

1 reported for Devstral Medium · 1 for Devstral Small 1.1

1 shared

Devstral Medium outperforms in 1 benchmarks (SWE-Bench Verified), while Devstral Small 1.1 is better at 0 benchmarks.

Devstral Medium significantly outperforms across most benchmarks.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Devstral Small 1.1 costs less

For input processing, Devstral Medium ($0.40/1M tokens) is 4.0x more expensive than Devstral Small 1.1 ($0.10/1M tokens).

For output processing, Devstral Medium ($2.00/1M tokens) is 6.7x more expensive than Devstral Small 1.1 ($0.30/1M tokens).

In conclusion, Devstral Medium is more expensive than Devstral Small 1.1.*

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

Lowest available price from all providers
Mon Sep 21 2026 • llm-stats.com
Mistral AI
Devstral Medium
Input tokens$0.40
Output tokens$2.00
Best providerMistral
Mistral AI
Devstral Small 1.1
Input tokens$0.10
Output tokens$0.30
Best providerMistral
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. Both models can generate responses up to 128,000 tokens.

Mistral AI
Devstral Medium
Input128,000 tokens
Output128,000 tokens
Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Mon Sep 21 2026 • llm-stats.com

License

Usage and distribution terms

Devstral Medium is licensed under a proprietary license, while Devstral Small 1.1 uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Devstral Medium

Proprietary

Closed source

Devstral Small 1.1

Apache 2.0

Open weights

Release Timeline

When each model was launched

Devstral Medium was released on 2025-07-10, while Devstral Small 1.1 was released on 2025-07-11.

Devstral Small 1.1 is 0 month newer than Devstral Medium.

Devstral Medium

Jul 10, 2025

1.2 years ago

Devstral Small 1.1

Jul 11, 2025

1.2 years ago

1d 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

Devstral Medium is available from Mistral AI. Devstral Small 1.1 is available from Mistral AI.

Devstral Medium

mistral logo
Mistral
Input Price:Input: $0.40/1MOutput Price:Output: $2.00/1M

Devstral Small 1.1

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Devstral Medium and Devstral Small 1.1 side-by-side, then vote on the output you prefer.

Devstral Medium
✓ Preferred
Devstral Small 1.1
Open in Playground

FAQ

Common questions about Devstral Medium vs Devstral Small 1.1.

Which is better, Devstral Medium or Devstral Small 1.1?

Devstral Medium and Devstral Small 1.1 are closely matched on the LLM Stats Score at 13.6 and 9.3. Devstral Medium is made by Mistral AI and Devstral Small 1.1 is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Devstral Medium compare to Devstral Small 1.1 in benchmarks?

Devstral Medium scores SWE-Bench Verified: 61.6%. Devstral Small 1.1 scores SWE-Bench Verified: 53.6%.

Is Devstral Medium cheaper than Devstral Small 1.1?

Devstral Small 1.1 is 4.0x cheaper for input tokens. Devstral Medium costs $0.40/M input and $2.00/M output via mistral. Devstral Small 1.1 costs $0.10/M input and $0.30/M output via mistral.

What are the context window sizes for Devstral Medium and Devstral Small 1.1?

Devstral Medium supports 128K tokens and Devstral Small 1.1 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 Devstral Medium and Devstral Small 1.1?

Key differences include LLM Stats Score (13.6 vs 9.3), input pricing ($0.40 vs $0.10/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.