Model Comparison

GPT-4o mini vs Pixtral-12B

GPT-4o mini significantly outperforms across most benchmarks. Pixtral-12B is 1.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-4o mini outperforms in 4 benchmarks (HumanEval, MATH, MMLU, MMMU), while Pixtral-12B is better at 1 benchmark (MathVista).

GPT-4o mini significantly outperforms across most benchmarks.

Sun Apr 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Pixtral-12B costs less

For input processing, GPT-4o mini ($0.15/1M tokens) costs the same as Pixtral-12B ($0.15/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 4.0x more expensive than Pixtral-12B ($0.15/1M tokens).

In conclusion, GPT-4o mini is more expensive than Pixtral-12B.*

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

Lowest available price from all providers
Sun Apr 05 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
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

Both models have the same input context window of 128,000 tokens. GPT-4o mini can generate longer responses up to 16,384 tokens, while Pixtral-12B is limited to 8,192 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Sun Apr 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o mini and Pixtral-12B support multimodal inputs.

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

GPT-4o mini

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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.

GPT-4o mini

Proprietary

Closed source

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Pixtral-12B was released on 2024-09-17.

Pixtral-12B is 2 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

1.7 years ago

Pixtral-12B

Sep 17, 2024

1.5 years ago

2mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Pixtral-12B's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Pixtral-12B's cutoff date.

GPT-4o mini

Oct 2023

Pixtral-12B

—

Provider Availability

GPT-4o mini is available from Azure. Pixtral-12B is available from Mistral AI.

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Higher HumanEval score (87.2% vs 72.0%)
Higher MATH score (70.2% vs 48.1%)
Higher MMLU score (82.0% vs 69.2%)
Higher MMMU score (59.4% vs 52.5%)
Mistral AI
Less expensive output tokens
Has open weights
Higher MathVista score (58.0% vs 56.7%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
Mistral AI
Pixtral-12B

FAQ

Common questions about GPT-4o mini vs Pixtral-12B

GPT-4o mini significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and Pixtral-12B is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.
Both models cost $0.15 per million input tokens.
GPT-4o mini supports 128K tokens and Pixtral-12B supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
GPT-4o mini is developed by OpenAI and Pixtral-12B is developed by Mistral AI.