Model Comparison
Grok 3 mini Reasoning (high)
vs. GPT-5.6 Sol (max)
Comparing 2 AI models · 12 benchmarks · SpaceXAI, OpenAI
Recommended Pick
OpGPT-5.6 Sol (max)8 metric winsStrongest on: Throughput, Intelligence, GPQA
Best Value
Grok 3 mini Reasoning (high)
100.0 value score
67.8 reasoning / $0.35/1M
Lowest Price
Grok 3 mini Reasoning (high)
$0.30/1M input price
Best Reasoning
Grok 3 mini Reasoning (high)
67.8 reasoning score
Blends available reasoning benchmarks
Best for Coding
GPT-5.6 Sol (max)
77.4 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
Grok 3 mini Reasoning (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Grok 3 mini Reasoning (high) is 16.7x cheaper on input tokens than GPT-5.6 Sol (max).
Speed gap
GPT-5.6 Sol (max) generates about 1.4x as many tokens per second as Grok 3 mini Reasoning (high).
Reasoning gap
Grok 3 mini Reasoning (high) leads GPT-5.6 Sol (max) by 1.1 points on reasoning.
Top-pick rationale
GPT-5.6 Sol (max) wins 8 measurable categories, including Throughput, Intelligence, GPQA, HLE.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Grok 3 mini Reasoning (high)
SpaceXAI
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-5.6 Sol (max)
OpenAI
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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Which answer was more useful?
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Full Comparison
| Metric | Sp Grok 3 mini Reasoning (high) | Top Pick Op GPT-5.6 Sol (max) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.30/1M | $5.00/1M |
| Output Cost | $0.50/1M | $30.00/1M |
| Blended (3:1) | $0.35/1M | $11.25/1M |
| Specifications | ||
| Organization | SpaceXAI | OpenAI |
| Release Date | Feb 19, 2025 | Jul 9, 2026 |
| Performance & Speed | ||
| Throughput | 46.5 tok/s | 65.5 tok/s |
| TTFT | 635ms | 99028ms |
| Latency | 43651ms | 99028ms |
| Composite Indices | ||
| Value Score | 100.0 | 3.1 |
| Reasoning Score | 67.8 | 66.7 |
| Intelligence | 22.5 | 58.9 |
| Coding | — | 77.4 |
| Math | 84.7 | — |
| Standard Benchmarks | ||
| GPQA | 79.1% | 94.1% |
| MMLU Pro | 82.8% | — |
| HLE | 11.1% | 47.2% |
| LiveCodeBench | 69.6% | — |
| MATH 500 | 99.2% | — |
| AIME 2025 | 84.7% | — |
| AIME (Original) | 93.3% | — |
| SciCode | 40.6% | 56.1% |
| LCR | 50.3% | 73.7% |
| IFBench | 45.9% | 72.7% |
| TAU-bench v2 | 90.4% | 85.1% |
| TerminalBench Hard | 17.4% | 65.9% |
Key Takeaways
Grok 3 mini Reasoning (high) offers the best value at $0.30/1M,making it ideal for high-volume applications and cost-conscious projects.
Grok 3 mini Reasoning (high) has the strongest reasoning profile with a 67.8 reasoning score,combining the available reasoning-heavy benchmarks.
GPT-5.6 Sol (max) reaches a 77.4 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
Grok 3 mini Reasoning (high)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
GPT-5.6 Sol (max)
- Code generation
- Software development
