Model Comparison
Solar Pro 4
vs. Grok 4.6 (high)
Comparing 2 AI models · 4 benchmarks · Upstage, SpaceXAI
Recommended Pick
SpGrok 4.6 (high)7 metric winsStrongest on: Reasoning, Intelligence, Coding
Best Value
Solar Pro 4
100.0 value score
53.3 reasoning / $0.52/1M
Lowest Price
Solar Pro 4
$0.30/1M input price
Best Reasoning
Grok 4.6 (high)
66.2 reasoning score
Blends available reasoning benchmarks
Best for Coding
Grok 4.6 (high)
76.8 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
Solar Pro 4 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Solar Pro 4 is 6.7x cheaper on input tokens than Grok 4.6 (high).
Speed gap
Solar Pro 4 generates about 1.2x as many tokens per second as Grok 4.6 (high).
Reasoning gap
Grok 4.6 (high) leads Solar Pro 4 by 12.9 points on reasoning.
Coding gap
Grok 4.6 (high) leads Solar Pro 4 by 24.1 points on coding.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Solar Pro 4
Upstage
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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Grok 4.6 (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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Which answer was more useful?
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Full Comparison
| Metric | Up Solar Pro 4 | Top Pick Sp Grok 4.6 (high) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.30/1M | $2.00/1M |
| Output Cost | $1.20/1M | $6.00/1M |
| Blended (3:1) | $0.52/1M | $3.00/1M |
| Specifications | ||
| Organization | Upstage | SpaceXAI |
| Release Date | Aug 6, 2026 | Aug 12, 2026 |
| Performance & Speed | ||
| Throughput | 65.2 tok/s | 55.9 tok/s |
| TTFT | 1241ms | 47284ms |
| Latency | 31924ms | 47284ms |
| Composite Indices | ||
| Value Score | 100.0 | 21.7 |
| Reasoning Score | 53.3 | 66.2 |
| Intelligence | 41.6 | 60.9 |
| Coding | 52.7 | 76.8 |
| Standard Benchmarks | ||
| GPQA | 89.1% | 94.9% |
| HLE | 29.2% | 42.9% |
| SciCode | 43.6% | 53.6% |
| LCR | 70.7% | 75.0% |
Key Takeaways
Solar Pro 4 offers the best value at $0.30/1M,making it ideal for high-volume applications and cost-conscious projects.
Grok 4.6 (high) has the strongest reasoning profile with a 66.2 reasoning score,combining the available reasoning-heavy benchmarks.
Grok 4.6 (high) reaches a 76.8 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
Solar Pro 4
- Cost-sensitive applications
- High-volume processing
Grok 4.6 (high)
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
