Claude Opus 4.6 vs GPT-6 Astra (batch)
Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and GPT-6 Astra (batch) (OpenAI). Green cells mark the better value in each row.
Prices updated Sep 18, 2026, 4:26 AM UTC · refreshed hourly
| Claude Opus 4.6 Anthropic | GPT-6 Astra (batch) OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $5.00 |
| Output $/1M | $25.00 | $25.00 |
| Blended $/1M (3:1) | $10.00 | $10.00 |
| RAG example (30K in / 2K out) | $0.2 | $0.2 |
| Quality & speed | ||
| Intelligence Index | 26.4 | 52.8 |
| Coding Index | — | 76.9 |
| Agentic Index | — | 51.5 |
| Output speed (tok/s) | 0 | 54 |
| Time to first token | 0s | 209.39s |
| Specs | ||
| Context window | 1M | 1.05M |
| Input modalities | text, image, file | file, image, text |
FAQ
Which is cheaper, Claude Opus 4.6 or GPT-6 Astra (batch)?
Claude Opus 4.6 and GPT-6 Astra (batch) currently have the same blended API price of $10.00 per 1M tokens.
Which is better for RAG workloads?
Both models cost about $0.2 for a 30K/2K RAG request at current rates. Context windows are 1M (Claude Opus 4.6) and 1.05M (GPT-6 Astra (batch)).
Which scores higher on Artificial Analysis benchmarks?
GPT-6 Astra (batch) leads on the Artificial Analysis Intelligence Index (52.8 vs 26.4). Check coding and agentic indices on this page for workload-specific tradeoffs.