Model Comparison
Reka Flash (Sep '24)
vs. Solar Open2 250B
Comparing 2 AI models · 5 benchmarks · Reka AI, Upstage
Recommended Pick
UpSolar Open2 250B4 metric winsStrongest on: Input price, Output price, Reasoning
Lowest Price
Solar Open2 250B
$0.00/1M input price
Best Reasoning
Solar Open2 250B
50.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Solar Open2 250B
44.7 coding index
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Solar Open2 250B is ∞x cheaper on input tokens than Reka Flash (Sep '24).
Reasoning gap
Solar Open2 250B leads Reka Flash (Sep '24) by 21.1 points on reasoning.
Top-pick rationale
Solar Open2 250B wins 4 measurable categories, including Input price, Output price, Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Reka Flash (Sep '24)
Reka AI
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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Solar Open2 250B
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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Full Comparison
| Metric | Re Reka Flash (Sep '24) | Top Pick Up Solar Open2 250B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.20/1M | $0.00/1M |
| Output Cost | $0.80/1M | $0.00/1M |
| Blended (3:1) | $0.35/1M | — |
| Specifications | ||
| Organization | Reka AI | Upstage |
| Release Date | Oct 4, 2024 | Aug 12, 2026 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 29.4 | 50.5 |
| Intelligence | 6.0 | 37.4 |
| Coding | — | 44.7 |
| Standard Benchmarks | ||
| GPQA | — | 85.7% |
| HLE | — | 28.5% |
| MATH 500 | 52.9% | — |
| SciCode | — | 45.6% |
| LCR | — | 68.3% |
Key Takeaways
Solar Open2 250B offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Solar Open2 250B has the strongest reasoning profile with a 50.5 reasoning score,combining the available reasoning-heavy benchmarks.
Solar Open2 250B reaches a 44.7 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
Reka Flash (Sep '24)
- General-purpose AI
- Versatile applications
Solar Open2 250B
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
- Code generation
- Software development
