Claude Sonnet 5.5 vs. GPT-6 Astra: Coding Performance Comparison
| Claude Sonnet 5.5 | GPT-6 Astra | |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Text & Chat | #30 · 1475 | #27 · 1477 |
| Coding | #3 · 1774 | #2 · 1780 |
| AI Agents | #7 · 10.75 | #5 · 12.34 |
| Vision | #27 · 1268 | #18 · 1284 |
| Official price | $2 / $10 per 1M in/out | $10 / $50 per 1M in/out |
| On this site | — | — |
Verdict
In the Coding category, GPT-6 Astra holds a slight edge with a rank of #2 and a HuaLinYuan Index of 1780, compared to Claude Sonnet 5.5 at rank #3 with an index of 1774. While GPT-6 Astra demonstrates superior performance across all tracked categories, including AI Agents and Vision, it comes at a significantly higher cost of $10.0 per million input tokens versus $2.0 for Sonnet 5.5. Neither model is currently available on HuaLinYuan, but both represent top-tier options for developers. Users must weigh the marginal performance gains of GPT-6 Astra against the substantially lower operational costs offered by Anthropic's latest model.
Choose Claude Sonnet 5.5 if
- Prioritize cost-efficiency for large-scale projects
- Requires high-performance coding at lower prices
Choose GPT-6 Astra if
- Seek maximum performance across all benchmarks
- Require top-tier capability in agents and vision
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