Model Comparison

GPT-4o vs Devstral Small 1.1Which is better in 2026?

Devstral Small 1.1 significantly outperforms across most benchmarks. Devstral Small 1.1 is 29.2x cheaper per token.

Verdict: GPT-4o vs Devstral Small 1.1 — which is better?

GPT-4o (by OpenAI) and Devstral Small 1.1 (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.

GPT-4o outperforms in 0 benchmarks, while Devstral Small 1.1 is better at 1 benchmark (SWE-Bench Verified). Devstral Small 1.1 significantly outperforms across most benchmarks.

On price, Devstral Small 1.1 is roughly 29.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Choose GPT-4o if…

  • you want predictable pricing at $2.50/M input and $10.00/M output

Choose Devstral Small 1.1 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • cost matters — it's about 29.2x 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
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-4o outperforms in 0 benchmarks, while Devstral Small 1.1 is better at 1 benchmark (SWE-Bench Verified).

Devstral Small 1.1 significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Devstral Small 1.1 costs less

For input processing, GPT-4o ($2.50/1M tokens) is 25.0x more expensive than Devstral Small 1.1 ($0.10/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 33.3x more expensive than Devstral Small 1.1 ($0.30/1M tokens).

In conclusion, GPT-4o is more expensive than Devstral Small 1.1.*

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

Lowest available price from all providers
Sat Jun 13 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
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. Devstral Small 1.1 can generate longer responses up to 128,000 tokens, while GPT-4o is limited to 16,384 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Sat Jun 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o supports multimodal inputs, whereas Devstral Small 1.1 does not.

GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o

Text
Images
Audio
Video

Devstral Small 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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.

GPT-4o

Proprietary

Closed source

Devstral Small 1.1

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while Devstral Small 1.1 was released on 2025-07-11.

Devstral Small 1.1 is 11 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.9 years ago

Devstral Small 1.1

Jul 11, 2025

11 months ago

11mo 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

GPT-4o is available from Azure, OpenAI. Devstral Small 1.1 is available from Mistral AI.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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→

Key Takeaways

OpenAI
Supports multimodal inputs
Mistral AI
Less expensive input tokens
Less expensive output tokens
Has open weights
Higher SWE-Bench Verified score (53.6% vs 33.2%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Mistral AI
Devstral Small 1.1

FAQ

Common questions about GPT-4o vs Devstral Small 1.1.

Which is better, GPT-4o or Devstral Small 1.1?

Devstral Small 1.1 significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and Devstral Small 1.1 is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o compare to Devstral Small 1.1 in benchmarks?

GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. Devstral Small 1.1 scores SWE-Bench Verified: 53.6%.

Is GPT-4o cheaper than Devstral Small 1.1?

Devstral Small 1.1 is 25.0x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Devstral Small 1.1 costs $0.10/M input and $0.30/M output via mistral.

What are the context window sizes for GPT-4o and Devstral Small 1.1?

GPT-4o 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 GPT-4o and Devstral Small 1.1?

Key differences include input pricing ($2.50 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Devstral Small 1.1?

GPT-4o is developed by OpenAI and Devstral Small 1.1 is developed by Mistral AI.

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