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Devstral Small 1.1 vs GPT-4.1 nano

Devstral Small 1.1 leads the LLM Stats Score 9.3 to 1.6. Devstral Small 1.1 is 1.2x cheaper per token.

Mistral AI · OpenAI · Updated for 2026

Which is better?

Devstral Small 1.1 leads the overall LLM Stats Score 9.3 to 1.6, ranking #269 overall.

On price, Devstral Small 1.1 is roughly 1.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-4.1 nano also accepts a larger context window (1,047,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Devstral Small 1.1

  • overall performance matters — it scores 9.3 and ranks #269 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 1.2x 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

Choose GPT-4.1 nano

  • you process long inputs — it offers a 1,047,576 token context window

At a glance

The differences that matter most.

Core performance indexes
9.3
#269
1.6
#320
9.2
#264
2.0
#308
0.7
#237
-11.8
#266
Cost, coverage & limits
Benchmark wins
Input price
$0.10 / M
$0.10 / M
Output price
$0.30 / M
$0.40 / M
Context window
128,000
1,047,576

Individual benchmarks

1 reported for Devstral Small 1.1 · 24 for GPT-4.1 nano

No common benchmarks found

Devstral Small 1.1 and GPT-4.1 nanodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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 Small 1.1 ($0.10/1M tokens) costs the same as GPT-4.1 nano ($0.10/1M tokens).

For output processing, Devstral Small 1.1 ($0.30/1M tokens) is 1.3x cheaper than GPT-4.1 nano ($0.40/1M tokens).

In conclusion, GPT-4.1 nano 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 Small 1.1
Input tokens$0.10
Output tokens$0.30
Best providerMistral
OpenAI
GPT-4.1 nano
Input tokens$0.10
Output tokens$0.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-4.1 nano accepts 1,047,576 input tokens compared to Devstral Small 1.1's 128,000 tokens. Devstral Small 1.1 can generate longer responses up to 128,000 tokens, while GPT-4.1 nano is limited to 32,768 tokens.

Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
OpenAI
GPT-4.1 nano
Input1,047,576 tokens
Output32,768 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-4.1 nano supports multimodal inputs, whereas Devstral Small 1.1 does not.

GPT-4.1 nano can handle both text and other forms of data like images, making it suitable for multimodal applications.

Devstral Small 1.1

Text
Images
Audio
Video

GPT-4.1 nano

Text
Images
Audio
Video

License

Usage and distribution terms

Devstral Small 1.1 is licensed under Apache 2.0, while GPT-4.1 nano uses a proprietary license.

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

Devstral Small 1.1

Apache 2.0

Open weights

GPT-4.1 nano

Proprietary

Closed source

Release Timeline

When each model was launched

Devstral Small 1.1 was released on 2025-07-11, while GPT-4.1 nano was released on 2025-04-14.

Devstral Small 1.1 is 3 months newer than GPT-4.1 nano.

Devstral Small 1.1

Jul 11, 2025

1.2 years ago

2mo newer
GPT-4.1 nano

Apr 14, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 nano has a documented knowledge cutoff of 2024-05-31, while Devstral Small 1.1's cutoff date is not specified.

We can confirm GPT-4.1 nano's training data extends to 2024-05-31, but cannot make a direct comparison without Devstral Small 1.1's cutoff date.

Devstral Small 1.1

GPT-4.1 nano

May 2024

Provider Availability

Devstral Small 1.1 is available from Mistral AI. GPT-4.1 nano is available from OpenAI.

Devstral Small 1.1

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M

GPT-4.1 nano

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* 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 Small 1.1 and GPT-4.1 nano side-by-side, then vote on the output you prefer.

Devstral Small 1.1
✓ Preferred
GPT-4.1 nano
Open in Playground

FAQ

Common questions about Devstral Small 1.1 vs GPT-4.1 nano.

Which is better, Devstral Small 1.1 or GPT-4.1 nano?

Devstral Small 1.1 leads the LLM Stats Score 9.3 to 1.6. Devstral Small 1.1 is made by Mistral AI and GPT-4.1 nano is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Devstral Small 1.1 compare to GPT-4.1 nano in benchmarks?

Devstral Small 1.1 scores SWE-Bench Verified: 53.6%. GPT-4.1 nano scores MMLU: 80.1%, IFEval: 74.5%, CharXiv-D: 73.9%, MMMLU: 66.9%, Multi-IF: 57.2%.

Is Devstral Small 1.1 cheaper than GPT-4.1 nano?

Both models cost $0.10 per million input tokens.

What are the context window sizes for Devstral Small 1.1 and GPT-4.1 nano?

Devstral Small 1.1 supports 128K tokens and GPT-4.1 nano supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Devstral Small 1.1 and GPT-4.1 nano?

Key differences include LLM Stats Score (9.3 vs 1.6), context window (128K vs 1.0M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Small 1.1 and GPT-4.1 nano?

Devstral Small 1.1 is developed by Mistral AI and GPT-4.1 nano is developed by OpenAI.