Model Comparison
o3-pro
vs. Reka Flash (Sep '24)
Comparing 2 AI models · 2 benchmarks · OpenAI, Reka AI
Recommended Pick
ReReka Flash (Sep '24)7 metric winsStrongest on: Value, Input price, Output price
Best Value
Reka Flash (Sep '24)
100.0 value score
29.6 reasoning / $0.35/1M
Lowest Price
Reka Flash (Sep '24)
$0.20/1M input price
Best Reasoning
o3-pro
58.5 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Best value
Reka Flash (Sep '24) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Reka Flash (Sep '24) is 100x cheaper on input tokens than o3-pro.
Speed gap
Reka Flash (Sep '24) generates about 2.7x as many tokens per second as o3-pro.
Reasoning gap
o3-pro leads Reka Flash (Sep '24) by 28.9 points on reasoning.
Top-pick rationale
Reka Flash (Sep '24) wins 7 measurable categories, including Value, Input price, Output price, Blended price.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
o3-pro
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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Reka Flash (Sep '24)
Reka AI
TTFT
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Time
—
tok/s
—
Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Op o3-pro | Top Pick Re Reka Flash (Sep '24) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $20.00/1M | $0.20/1M |
| Output Cost | $80.00/1M | $0.80/1M |
| Blended (3:1) | $35.00/1M | $0.35/1M |
| Specifications | ||
| Organization | OpenAI | Reka AI |
| Release Date | Jun 10, 2025 | Oct 4, 2024 |
| Performance & Speed | ||
| Throughput | 31.3 tok/s | 85.4 tok/s |
| TTFT | 58345ms | 1719ms |
| Latency | 58345ms | 1719ms |
| Composite Indices | ||
| Value Score | 2.0 | 100.0 |
| Reasoning Score | 58.5 | 29.6 |
| Intelligence | 32.5 | 6.3 |
| Standard Benchmarks | ||
| GPQA | 84.5% | — |
| MATH 500 | — | 52.9% |
Key Takeaways
Reka Flash (Sep '24) offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.
o3-pro has the strongest reasoning profile with a 58.5 reasoning score,combining the available reasoning-heavy benchmarks.
All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.
When to Choose Each Model
o3-pro
- Complex reasoning tasks
- Research & analysis
Reka Flash (Sep '24)
- Cost-sensitive applications
- High-volume processing
