Claude Opus 4.5 (batch) vs GPT-5.6 Sol
Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.5 (batch) (Anthropic) and GPT-5.6 Sol (OpenAI). Green cells mark the better value in each row.
Prices updated Sep 17, 2026, 6:59 AM UTC · refreshed hourly
| Claude Opus 4.5 (batch) Anthropic | GPT-5.6 Sol OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.50 | $2.00 |
| Output $/1M | $12.50 | $10.00 |
| Blended $/1M (3:1) | $5.00 | $4.00 |
| RAG example (30K in / 2K out) | $0.1 | $0.08 |
| Quality & speed | ||
| Intelligence Index | 23.7 | 47.1 |
| Coding Index | — | 77.4 |
| Agentic Index | — | 50.5 |
| Output speed (tok/s) | 0 | 74 |
| Time to first token | 0s | 71.18s |
| Specs | ||
| Context window | 200K | 1.05M |
| Input modalities | file, image, text | file, image, text |
FAQ
Which is cheaper, Claude Opus 4.5 (batch) or GPT-5.6 Sol?
GPT-5.6 Sol has the lower blended API price at $4.00 per 1M tokens (3:1 input:output mix), versus $5.00 for the other model. Prices are live from OpenRouter and refresh about hourly.
Which is better for RAG workloads?
For a typical RAG request (30K input / 2K output tokens), GPT-5.6 Sol costs about $0.08 per request versus $0.1. Also compare context windows: Claude Opus 4.5 (batch) offers 200K and GPT-5.6 Sol offers 1.05M.
Which scores higher on Artificial Analysis benchmarks?
GPT-5.6 Sol leads on the Artificial Analysis Intelligence Index (47.1 vs 23.7). Check coding and agentic indices on this page for workload-specific tradeoffs.