Model Comparison
o4-mini (high)
vs. Reka Flash 3
Comparing 2 AI models · 12 benchmarks · OpenAI, Reka AI
Recommended Pick
Opo4-mini (high)18 metric winsStrongest on: Throughput, TTFT, Latency
Best Value
Reka Flash 3
100.0 value score
38.5 reasoning / $0.35/1M
Lowest Price
Reka Flash 3
$0.20/1M input price
Best Reasoning
o4-mini (high)
70.8 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 3 has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Reka Flash 3 is 5.5x cheaper on input tokens than o4-mini (high).
Speed gap
o4-mini (high) generates about 1.9x as many tokens per second as Reka Flash 3.
Reasoning gap
o4-mini (high) leads Reka Flash 3 by 32.3 points on reasoning.
Top-pick rationale
o4-mini (high) wins 18 measurable categories, including Throughput, TTFT, Latency, Reasoning.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
o4-mini (high)
OpenAI
TTFT
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Time
—
tok/s
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Tokens
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Cost
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Reka Flash 3
Reka AI
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Op o4-mini (high) | Re Reka Flash 3 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $1.10/1M | $0.20/1M |
| Output Cost | $4.40/1M | $0.80/1M |
| Blended (3:1) | $1.93/1M | $0.35/1M |
| Specifications | ||
| Organization | OpenAI | Reka AI |
| Release Date | Apr 16, 2025 | Mar 10, 2025 |
| Performance & Speed | ||
| Throughput | 184.3 tok/s | 95.2 tok/s |
| TTFT | 22343ms | 48166ms |
| Latency | 22343ms | 69181ms |
| Composite Indices | ||
| Value Score | 33.4 | 100.0 |
| Reasoning Score | 70.8 | 38.5 |
| Intelligence | 25.6 | 4.1 |
| Math | 90.7 | 33.7 |
| Standard Benchmarks | ||
| GPQA | 78.4% | 52.9% |
| MMLU Pro | 83.2% | 66.9% |
| HLE | 17.5% | 5.1% |
| LiveCodeBench | 85.9% | 43.5% |
| MATH 500 | 98.9% | 89.3% |
| AIME 2025 | 90.7% | 33.7% |
| AIME (Original) | 94.0% | 51.0% |
| SciCode | 46.5% | 26.7% |
| LCR | 55.0% | 0.0% |
| IFBench | 68.7% | 30.4% |
| TAU-bench v2 | 55.6% | 0.0% |
| TerminalBench Hard | 15.2% | 0.0% |
Key Takeaways
Reka Flash 3 offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.
o4-mini (high) has the strongest reasoning profile with a 70.8 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
o4-mini (high)
- Complex reasoning tasks
- Research & analysis
Reka Flash 3
- Cost-sensitive applications
- High-volume processing
