Claude Opus 4.6 vs Solar Pro 4
Side-by-side API pricing and Artificial Analysis performance for Claude Opus 4.6 (Anthropic) and Solar Pro 4 (Upstage). Green cells mark the better value in each row.
Prices updated Sep 18, 2026, 10:48 AM UTC · refreshed hourly
| Claude Opus 4.6 Anthropic | Solar Pro 4 Upstage | |
|---|---|---|
| Pricing | ||
| Input $/1M | $5.00 | $0.09 |
| Output $/1M | $25.00 | $0.36 |
| Blended $/1M (3:1) | $10.00 | $0.158 |
| RAG example (30K in / 2K out) | $0.2 | $0.00342 |
| Quality & speed | ||
| Intelligence Index | 26.4 | 28.2 |
| Coding Index | — | 52.7 |
| Agentic Index | — | — |
| Output speed (tok/s) | 0 | 67 |
| Time to first token | 0s | 1.16s |
| Specs | ||
| Context window | 1M | 524K |
| Input modalities | text, image, file | text |
FAQ
Which is cheaper, Claude Opus 4.6 or Solar Pro 4?
Solar Pro 4 has the lower blended API price at $0.158 per 1M tokens (3:1 input:output mix), versus $10.00 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), Solar Pro 4 costs about $0.00342 per request versus $0.2. Also compare context windows: Claude Opus 4.6 offers 1M and Solar Pro 4 offers 524K.
Which scores higher on Artificial Analysis benchmarks?
Solar Pro 4 leads on the Artificial Analysis Intelligence Index (28.2 vs 26.4). Check coding and agentic indices on this page for workload-specific tradeoffs.