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o4-mini vs Pixtral-12B

o4-mini leads the LLM Stats Score 27.7 to -1.4. Pixtral-12B is 12.8x cheaper per token.

OpenAI · Mistral AI · Updated for 2026

Which is better?

o4-mini leads the overall LLM Stats Score 27.7 to -1.4, ranking #131 overall.

In the 2 individual benchmarks reported for both models, o4-mini wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Pixtral-12B is roughly 12.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

o4-mini also accepts a larger context window (200,000 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 o4-mini

  • overall performance matters — it scores 27.7 and ranks #131 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Apr 2025

Choose Pixtral-12B

  • cost matters — it's about 12.8x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
27.7
#131
-1.4
#324
27.8
#124
-3.5
#324
12.2
#143
-2.5
#241
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$1.10 / M
$0.15 / M
Output price
$4.40 / M
$0.15 / M
Context window
200,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
o4-mini
Pixtral-12B
27.8#91
1.3#286
16.1#84
0.6#175
12.3#57
4.4#89
22.3#57
4.4#136
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

14 reported for o4-mini · 12 for Pixtral-12B

2 shared

o4-mini outperforms in 2 benchmarks (MathVista, MMMU), while Pixtral-12B is better at 0 benchmarks.

o4-mini significantly outperforms across most benchmarks.

Sun Sep 06 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Pixtral-12B costs less

For input processing, o4-mini ($1.10/1M tokens) is 7.3x more expensive than Pixtral-12B ($0.15/1M tokens).

For output processing, o4-mini ($4.40/1M tokens) is 29.3x more expensive than Pixtral-12B ($0.15/1M tokens).

In conclusion, o4-mini is more expensive than Pixtral-12B.*

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

Lowest available price from all providers
Sun Sep 06 2026 • llm-stats.com
OpenAI
o4-mini
Input tokens$1.10
Output tokens$4.40
Best providerOpenAI
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

o4-mini accepts 200,000 input tokens compared to Pixtral-12B's 128,000 tokens. o4-mini can generate longer responses up to 100,000 tokens, while Pixtral-12B is limited to 8,192 tokens.

OpenAI
o4-mini
Input200,000 tokens
Output100,000 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both o4-mini and Pixtral-12B support multimodal inputs.

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

o4-mini

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

o4-mini is licensed under a proprietary license, while Pixtral-12B uses Apache 2.0.

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

o4-mini

Proprietary

Closed source

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

o4-mini was released on 2025-04-16, while Pixtral-12B was released on 2024-09-17.

o4-mini is 7 months newer than Pixtral-12B.

o4-mini

Apr 16, 2025

1.4 years ago

7mo newer
Pixtral-12B

Sep 17, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

o4-mini has a documented knowledge cutoff of 2024-05-31, while Pixtral-12B's cutoff date is not specified.

We can confirm o4-mini's training data extends to 2024-05-31, but cannot make a direct comparison without Pixtral-12B's cutoff date.

o4-mini

May 2024

Pixtral-12B

Provider Availability

o4-mini is available from OpenAI. Pixtral-12B is available from Mistral AI.

o4-mini

openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* 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 o4-mini and Pixtral-12B side-by-side, then vote on the output you prefer.

o4-mini
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about o4-mini vs Pixtral-12B.

Which is better, o4-mini or Pixtral-12B?

o4-mini leads the LLM Stats Score 27.7 to -1.4. o4-mini is made by OpenAI and Pixtral-12B 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 o4-mini compare to Pixtral-12B in benchmarks?

o4-mini scores AIME 2024: 93.4%, AIME 2025: 92.7%, MathVista: 84.3%, MMMU: 81.6%, GPQA: 81.4%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is o4-mini cheaper than Pixtral-12B?

Pixtral-12B is 7.3x cheaper for input tokens. o4-mini costs $1.10/M input and $4.40/M output via openai. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

What are the context window sizes for o4-mini and Pixtral-12B?

o4-mini supports 200K tokens and Pixtral-12B 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 o4-mini and Pixtral-12B?

Key differences include LLM Stats Score (27.7 vs -1.4), context window (200K vs 128K), input pricing ($1.10 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes o4-mini and Pixtral-12B?

o4-mini is developed by OpenAI and Pixtral-12B is developed by Mistral AI.