Model Comparison

GPT-4o vs Pixtral-12B

GPT-4o significantly outperforms across most benchmarks. Pixtral-12B is 29.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-4o outperforms in 6 benchmarks (ChartQA, DocVQA, IFEval, MathVista, MMLU, MMMU), while Pixtral-12B is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Fri Apr 03 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 ($2.50/1M tokens) is 16.7x more expensive than Pixtral-12B ($0.15/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 66.7x more expensive than Pixtral-12B ($0.15/1M tokens).

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

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

Lowest available price from all providers
Fri Apr 03 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
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 can generate longer responses up to 16,384 tokens, while Pixtral-12B is limited to 8,192 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT-4o

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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

Proprietary

Closed source

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while Pixtral-12B was released on 2024-09-17.

Pixtral-12B is 1 month newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.7 years ago

Pixtral-12B

Sep 17, 2024

1.5 years ago

1mo 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. Pixtral-12B 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

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 ChartQA score (85.7% vs 81.8%)
Higher DocVQA score (92.8% vs 90.7%)
Higher IFEval score (81.0% vs 61.3%)
Higher MathVista score (61.4% vs 58.0%)
Higher MMLU score (85.7% vs 69.2%)
Higher MMMU score (72.2% vs 52.5%)
Mistral AI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

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

FAQ

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

GPT-4o significantly outperforms across most benchmarks. GPT-4o 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 scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.
Pixtral-12B is 16.7x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.
GPT-4o 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 input pricing ($2.50 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
GPT-4o is developed by OpenAI and Pixtral-12B is developed by Mistral AI.