Claude Opus 5.5
Anthropic's newest Opus for long-running agentic coding and knowledge work. $4/$20 per million tokens, with cache reads at $0.20/M. Vendor-reported Terminal-Bench 4.0 66.4% and GDPval-AA 1846 Elo at max effort.
Start requirement: 250 credits to start
Capabilities
Pricing
| Input | $4.6 / 1M tokens |
| Cached input | $0.23 / 1M tokens |
| 5m cache write | $5.75 / 1M tokens |
| 1h cache write | $9.2 / 1M tokens |
| Output | $23 / 1M tokens |
| Web search (when used) | $11.5 / 1,000 searchs |
List prices plus 15%. Higher reasoning effort can consume more output tokens; it has no separate fixed multiplier. One credit equals 1¢ charged, with a one-credit minimum per completed run and the aggregate rounded up once.
Cache reads are 0.05x input ($0.20/M), not the usual 0.1x. Fast mode ($8/$40) is not modelled.
Provider pricing source · verified 2026-09-22
Compare Claude Opus 5.5
Claude Opus 5.5: frequently asked questions
- What is Claude Opus 5.5?
- Anthropic's newest Opus for long-running agentic coding and knowledge work. $4/$20 per million tokens, with cache reads at $0.20/M. Vendor-reported Terminal-Bench 4.0 66.4% and GDPval-AA 1846 Elo at max effort. You can try Claude Opus 5.5 on TryAI without a separate provider account.
- How much does Claude Opus 5.5 cost on TryAI?
- Claude Opus 5.5 uses these rates (provider list price plus 15%): Input: $4.6 / 1M tokens, Cached input: $0.23 / 1M tokens, 5m cache write: $5.75 / 1M tokens, 1h cache write: $9.2 / 1M tokens, Output: $23 / 1M tokens, Web search (when used): $11.5 / 1,000 searchs. One TryAI credit equals one cent charged; completed runs have a one-credit minimum and the aggregate cost is rounded up once.
- What can Claude Opus 5.5 do?
- Claude Opus 5.5 supports Streaming, Reasoning, Tool use, Web search, Vision, Documents with a context window of about 1M tokens.
- How do I try Claude Opus 5.5?
- Create a free TryAI account, pick Claude Opus 5.5 from the model selector, and start generating in seconds.
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