Claude Opus 5.5 vs GPT-6 Astra: Coding Leaders Compared
| Claude Opus 5.5 | GPT-6 Astra | |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Text & Chat | #3 · 1508 | #27 · 1477 |
| Coding | #1 · 1811 | #2 · 1780 |
| AI Agents | #1 · 17.89 | #5 · 12.34 |
| Vision | — | #18 · 1284 |
| Official price | $4 / $20 per 1M in/out | $10 / $50 per 1M in/out |
| On this site | — | — |
Verdict
Claude Opus 5.5 leads the Coding board at #1 with a HuaLinYuan Index of 1811, ahead of GPT-6 Astra at #2 (1780). Opus 5.5 also ranks higher on Text & Chat (#3 vs #27) and AI Agents (#1 vs #5). Pricing favors Opus 5.5 significantly at $4/$20 per 1M tokens versus Astra's $10/$50. Neither model is currently available on this site. For pure coding performance and cost efficiency, Opus 5.5 holds the edge.
Choose Claude Opus 5.5 if
- Best coding performance per HuaLinYuan Index
- Lower cost per million tokens
Choose GPT-6 Astra if
- Stronger vision capabilities (ranked #18)
- Alternative if Opus 5.5 unavailable
Compare them yourself
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