Model Comparison
Qwen3 4B (Reasoning)
vs. Reka Flash (Sep '24)
Comparing 2 AI models · 11 benchmarks · Alibaba, Reka AI
Recommended Pick
AlQwen3 4B (Reasoning)7 metric winsStrongest on: Input price, Output price, TTFT
Lowest Price
Qwen3 4B (Reasoning)
$0.00/1M input price
Best Reasoning
Qwen3 4B (Reasoning)
38.5 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
Price gap
Qwen3 4B (Reasoning) is ∞x cheaper on input tokens than Reka Flash (Sep '24).
Reasoning gap
Qwen3 4B (Reasoning) leads Reka Flash (Sep '24) by 8.9 points on reasoning.
Top-pick rationale
Qwen3 4B (Reasoning) wins 7 measurable categories, including Input price, Output price, TTFT, Latency.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 4B (Reasoning)
Alibaba
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
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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 | Top Pick Al Qwen3 4B (Reasoning) | Re Reka Flash (Sep '24) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.00/1M | $0.20/1M |
| Output Cost | $0.00/1M | $0.80/1M |
| Blended (3:1) | — | $0.35/1M |
| Specifications | ||
| Organization | Alibaba | Reka AI |
| Release Date | Apr 28, 2025 | Oct 4, 2024 |
| Performance & Speed | ||
| Throughput | — | 85.2 tok/s |
| TTFT | — | 1712ms |
| Latency | — | 1712ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 38.5 | 29.6 |
| Intelligence | 8.4 | 6.3 |
| Math | 22.3 | — |
| Standard Benchmarks | ||
| GPQA | 52.2% | — |
| MMLU Pro | 69.6% | — |
| HLE | 5.1% | — |
| LiveCodeBench | 46.5% | — |
| MATH 500 | 93.3% | 52.9% |
| AIME 2025 | 22.3% | — |
| AIME (Original) | 65.7% | — |
| SciCode | 3.5% | — |
| LCR | 0.0% | — |
| IFBench | 32.5% | — |
| TAU-bench v2 | 19.0% | — |
Key Takeaways
Qwen3 4B (Reasoning) offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Qwen3 4B (Reasoning) has the strongest reasoning profile with a 38.5 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
Qwen3 4B (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
Reka Flash (Sep '24)
- General-purpose AI
- Versatile applications
