Model Comparison
Qwen3.5 4B (Reasoning)
vs. Reka Flash 3
Comparing 2 AI models · 12 benchmarks · Alibaba, Reka AI
Recommended Pick
AlQwen3.5 4B (Reasoning)12 metric winsStrongest on: Value, Input price, Output price
Best Value
Qwen3.5 4B (Reasoning)
100.0 value score
35.0 reasoning / $0.06/1M
Lowest Price
Qwen3.5 4B (Reasoning)
$0.03/1M input price
Best Reasoning
Reka Flash 3
38.5 reasoning score
Blends available reasoning benchmarks
Best for Coding
Qwen3.5 4B (Reasoning)
22.6 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
Qwen3.5 4B (Reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Qwen3.5 4B (Reasoning) is 6.7x cheaper on input tokens than Reka Flash 3.
Speed gap
Reka Flash 3 generates about 4.3x as many tokens per second as Qwen3.5 4B (Reasoning).
Reasoning gap
Reka Flash 3 leads Qwen3.5 4B (Reasoning) by 3.5 points on reasoning.
Top-pick rationale
Qwen3.5 4B (Reasoning) wins 12 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.
Qwen3.5 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 3
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 Qwen3.5 4B (Reasoning) | Re Reka Flash 3 |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.03/1M | $0.20/1M |
| Output Cost | $0.15/1M | $0.80/1M |
| Blended (3:1) | $0.06/1M | $0.35/1M |
| Specifications | ||
| Organization | Alibaba | Reka AI |
| Release Date | Mar 2, 2026 | Mar 10, 2025 |
| Performance & Speed | ||
| Throughput | 22.3 tok/s | 95.2 tok/s |
| TTFT | 387ms | 48166ms |
| Latency | 90249ms | 69181ms |
| Composite Indices | ||
| Value Score | 100.0 | 18.9 |
| Reasoning Score | 35.0 | 38.5 |
| Intelligence | 20.1 | 4.1 |
| Coding | 22.6 | — |
| Math | — | 33.7 |
| Standard Benchmarks | ||
| GPQA | 77.1% | 52.9% |
| MMLU Pro | — | 66.9% |
| HLE | 7.8% | 5.1% |
| LiveCodeBench | — | 43.5% |
| MATH 500 | — | 89.3% |
| AIME 2025 | — | 33.7% |
| AIME (Original) | — | 51.0% |
| SciCode | 16.1% | 26.7% |
| LCR | 55.7% | 0.0% |
| IFBench | 52.0% | 30.4% |
| TAU-bench v2 | 92.1% | 0.0% |
| TerminalBench Hard | 18.2% | 0.0% |
Key Takeaways
Qwen3.5 4B (Reasoning) offers the best value at $0.03/1M,making it ideal for high-volume applications and cost-conscious projects.
Reka Flash 3 has the strongest reasoning profile with a 38.5 reasoning score,combining the available reasoning-heavy benchmarks.
Qwen3.5 4B (Reasoning) reaches a 22.6 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
Qwen3.5 4B (Reasoning)
- Cost-sensitive applications
- High-volume processing
- Code generation
- Software development
Reka Flash 3
- Complex reasoning tasks
- Research & analysis
