Model Comparison
Qwen3 4B 2507 (Reasoning)
vs. Claude Opus 5.5 (Max, Default Fallback)
Comparing 2 AI models · 0 benchmarks · Alibaba, Anthropic
Recommended Pick
AnClaude Opus 5.5 (Max, Default Fallback)2 metric winsStrongest on: Reasoning, Intelligence
Lowest Price
Claude Opus 5.5 (Max, Default Fallback)
$4.00/1M input price
Best Reasoning
Claude Opus 5.5 (Max, Default Fallback)
57.6 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Claude Opus 5.5 (Max, Default Fallback) leads Qwen3 4B 2507 (Reasoning) by 48.8 points on reasoning.
Top-pick rationale
Claude Opus 5.5 (Max, Default Fallback) wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3 4B 2507 (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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Claude Opus 5.5 (Max, Default Fallback)
Anthropic
TTFT
—
Time
—
tok/s
—
Tokens
—
Cost
—
Which answer was more useful?
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Full Comparison
| Metric | Al Qwen3 4B 2507 (Reasoning) | Top Pick An Claude Opus 5.5 (Max, Default Fallback) |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | $4.00/1M |
| Output Cost | — | $20.00/1M |
| Blended (3:1) | — | $8.00/1M |
| Specifications | ||
| Organization | Alibaba | Anthropic |
| Release Date | Aug 6, 2025 | Sep 22, 2026 |
| Performance & Speed | ||
| Throughput | — | 95.6 tok/s |
| TTFT | — | 748610ms |
| Latency | — | 748610ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | 8.8 | 57.6 |
| Intelligence | 8.8 | 57.6 |
Key Takeaways
Claude Opus 5.5 (Max, Default Fallback) offers the best value at $4.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Claude Opus 5.5 (Max, Default Fallback) has the strongest reasoning profile with a 57.6 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 2507 (Reasoning)
- General-purpose AI
- Versatile applications
Claude Opus 5.5 (Max, Default Fallback)
- Cost-sensitive applications
- High-volume processing
- Complex reasoning tasks
- Research & analysis
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