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GPT-4o vs Mistral Small 3 24B Base

GPT-4o significantly outperforms across most benchmarks.

OpenAI · Mistral AI · Updated for 2026

Which is better?

GPT-4o outperforms in 4 benchmarks (GPQA, MATH, MMLU, MMLU-Pro), while Mistral Small 3 24B Base is better at 0 benchmarks. GPT-4o significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GPT-4o

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks

Choose Mistral Small 3 24B Base

  • you want the most recent training data — it shipped Jan 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-4o
OpenAI
Mistral Small 3 24B Base
Mistral AI
Benchmark wins
4 of 4
0 of 4
Input price
$2.50 / M
— / M
Output price
$10.00 / M
— / M
Context window
128,000
—
Released
May 2024
Jan 2025
License
Proprietary
Apache 2.0

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

GPT-4o outperforms in 4 benchmarks (GPQA, MATH, MMLU, MMLU-Pro), while Mistral Small 3 24B Base is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Mon Aug 24 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (4,096 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
Mistral AI
Mistral Small 3 24B Base
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Mistral Small 3 24B Base support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-4o

Text
Images
Audio
Video

Mistral Small 3 24B Base

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o is licensed under a proprietary license, while Mistral Small 3 24B Base 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

Mistral Small 3 24B Base

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while Mistral Small 3 24B Base was released on 2025-01-30.

Mistral Small 3 24B Base is 9 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.3 years ago

Mistral Small 3 24B Base

Jan 30, 2025

1.6 years ago

8mo newer

Knowledge Cutoff

When training data ends

Mistral Small 3 24B Base has a documented knowledge cutoff of 2023-10-01, while GPT-4o's cutoff date is not specified.

We can confirm Mistral Small 3 24B Base's training data extends to 2023-10-01, but cannot make a direct comparison without GPT-4o's cutoff date.

GPT-4o

—

Mistral Small 3 24B Base

Oct 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-4o and Mistral Small 3 24B Base side-by-side, then vote on the output you prefer.

GPT-4o
✓ Preferred
Mistral Small 3 24B Base
Open in Playground

FAQ

Common questions about GPT-4o vs Mistral Small 3 24B Base.

Which is better, GPT-4o or Mistral Small 3 24B Base?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and Mistral Small 3 24B Base 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 Mistral Small 3 24B Base in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. Mistral Small 3 24B Base scores ARC-C: 91.3%, GSM8k: 80.7%, MMLU: 80.7%, TriviaQA: 80.3%, MBPP: 69.6%.

What are the context window sizes for GPT-4o and Mistral Small 3 24B Base?

GPT-4o supports 128K tokens and Mistral Small 3 24B Base supports an unknown number of 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 Mistral Small 3 24B Base?

Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Mistral Small 3 24B Base?

GPT-4o is developed by OpenAI and Mistral Small 3 24B Base is developed by Mistral AI.

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