Model Comparison
Pixtral Large
vs. GPT-5.5 (xhigh)
Comparing 2 AI models · 12 benchmarks · Mistral, OpenAI
Recommended Pick
Op GPT-5.5 (xhigh) 8 metric wins Strongest on: Reasoning, Intelligence, GPQA
Best Value
Pixtral Large
100.0 value score
20.7 reasoning / $3.00/1M
Lowest Price
Pixtral Large
$2.00/1M input price
Best Reasoning
GPT-5.5 (xhigh)
64.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.5 (xhigh)
59.1 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Pixtral Large has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Pixtral Large is 2.5x cheaper on input tokens than GPT-5.5 (xhigh).
Reasoning gap
GPT-5.5 (xhigh) leads Pixtral Large by 43.5 points on reasoning.
Top-pick rationale
GPT-5.5 (xhigh) wins 8 measurable categories, including Reasoning, Intelligence, GPQA, HLE.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Pixtral Large
Mistral
TTFT
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Time
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tok/s
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Tokens
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Cost
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GPT-5.5 (xhigh)
OpenAI
TTFT
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Time
—
tok/s
—
Tokens
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Cost
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Which answer was more useful?
Full Comparison
| Metric | Mi Pixtral Large | Top Pick Op GPT-5.5 (xhigh) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $2.00/1M | $5.00/1M |
| Output Cost | $6.00/1M | $30.00/1M |
| Blended (3:1) | $3.00/1M | $11.25/1M |
| Specifications | ||
| Organization | Mistral | OpenAI |
| Release Date | Nov 18, 2024 | Apr 23, 2026 |
| Performance & Speed | ||
| Throughput | 60.3 tok/s | 59.0 tok/s |
| TTFT | 788ms | 58138ms |
| Latency | 788ms | 58138ms |
| Composite Indices | ||
| Value Score | 100.0 | 82.5 |
| Reasoning Score | 20.7 | 64.2 |
| Intelligence | 8.1 | 54.8 |
| Coding | — | 59.1 |
| Math | 2.3 | — |
| Standard Benchmarks | ||
| GPQA | 50.5% | 93.5% |
| MMLU Pro | 70.1% | — |
| HLE | 3.6% | 44.3% |
| LiveCodeBench | 26.1% | — |
| MATH 500 | 71.4% | — |
| AIME 2025 | 2.3% | — |
| AIME (Original) | 7.0% | — |
| SciCode | 29.2% | 56.1% |
| LCR | 10.3% | 74.3% |
| IFBench | 34.5% | 75.9% |
| TAU-bench v2 | 36.5% | 93.9% |
| TerminalBench Hard | — | 60.6% |
Key Takeaways
Pixtral Large offers the best value at $2.00/1M, making it ideal for high-volume applications and cost-conscious projects.
GPT-5.5 (xhigh) has the strongest reasoning profile with a 64.2 reasoning score, combining the available reasoning-heavy benchmarks.
GPT-5.5 (xhigh) reaches a 59.1 coding index, making it the top choice for software development and code generation tasks.
All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
Pixtral Large
- Cost-sensitive applications
- High-volume processing
GPT-5.5 (xhigh)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
