Side by side · USD
| Metric | DeepSeek V4 Pro | Claude Opus 5.5 |
|---|---|---|
| Input / 1M tokens | $1.34 | $4.00 |
| Output / 1M tokens | $4.02 | $20.00 |
| Cache / 1M tokens | $0.04 | $0.20 |
| Context window | 1M | 1M |
| Max output | 393K | 128K |
| Modality | Text | Text, Image |
| Capabilities | Function calling, Structured output, Reasoning | Function calling, Structured output, Reasoning, File input |
| Released | 2026-08-12 | 2026-09-22 |
The highlighted column is better on that metric (lower price / larger context).
DeepSeek V4 Pro · cheapest access
Claude Opus 5.5 · cheapest access
Other comparisons
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