GPT-5.1 Thinking vs Pixtral Large: Specs & Benchmark Comparison
| Characteristic | GPT-5.1 Thinking | Pixtral Large |
|---|---|---|
| Company | OpenAI | Mistral AI |
| Release Date | November 11, 2025 | November 18, 2024 |
| Parameters | — | 124B |
| Multimodal | Yes | Yes |
| Context (input) | 256K | 128K |
| Context (output) | 128K | 128K |
| Input Price / 1M | $3.00 | $2.00 |
| Output Price / 1M | $12.00 | $6.00 |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| MMMU | 0.8 | 0.6 |
Visual Benchmark Comparison
GPT-5.1 Thinking
Pixtral Large
MMMU0.8 vs 0.6
0.8
0.6
Verdict
GPT-5.1 Thinking leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 Thinking — 0.9, Pixtral Large — 0.8.
API Cost
Pixtral Large is 1.9x cheaper: input $2.00/1M vs $3.00/1M tokens.
Context Window
GPT-5.1 Thinking supports a larger context: 256K vs 128K tokens.
Recency
GPT-5.1 Thinking is newer: released 11/11/2025 vs 11/18/2024.
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Frequently Asked Questions
Which is better for coding — GPT-5.1 Thinking or Pixtral Large?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.1 Thinking or Pixtral Large?
Pixtral Large is cheaper for input: $2.00 per 1M tokens vs $3.00.
Which has a larger context window — GPT-5.1 Thinking or Pixtral Large?
GPT-5.1 Thinking supports a larger context: 256,000 tokens vs 128,000.
The GPT-5.1 Thinking and Pixtral Large comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.1 Thinking or Pixtral Large page. See also the complete list of AI model comparisons.