Claude Sonnet 5.5
Anthropic's fast everyday model, second only to Opus 5.5 on the AA Intelligence Index v4.3.2 at 56, for $2/$10 per million tokens. Vendor-reported Terminal-Bench 4.0 70.6% and GDPval-AA 1844 Elo.
Start requirement: From 1 credit
Capabilities
Pricing
| Input | $4 / 1M tokens |
| Cached input | $0.2 / 1M tokens |
| 5m cache write | $5 / 1M tokens |
| 1h cache write | $8 / 1M tokens |
| Output | $20 / 1M tokens |
| Web search (when used) | $20 / 1,000 searchs |
List prices plus 100%. 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 ($0.10/M) after Anthropic's October 7 cut.
Provider pricing source · verified 2026-10-09
Claude Sonnet 5.5: frequently asked questions
- What is Claude Sonnet 5.5?
- Anthropic's fast everyday model, second only to Opus 5.5 on the AA Intelligence Index v4.3.2 at 56, for $2/$10 per million tokens. Vendor-reported Terminal-Bench 4.0 70.6% and GDPval-AA 1844 Elo. You can try Claude Sonnet 5.5 on TryAI without a separate provider account.
- How much does Claude Sonnet 5.5 cost on TryAI?
- Claude Sonnet 5.5 uses these rates (provider list price plus 100%): Input: $4 / 1M tokens, Cached input: $0.2 / 1M tokens, 5m cache write: $5 / 1M tokens, 1h cache write: $8 / 1M tokens, Output: $20 / 1M tokens, Web search (when used): $20 / 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 Sonnet 5.5 do?
- Claude Sonnet 5.5 supports Streaming, Reasoning, Tool use, Web search, Vision, Documents with a context window of about 1M tokens.
- How do I try Claude Sonnet 5.5?
- Create a free TryAI account, pick Claude Sonnet 5.5 from the model selector, and start generating in seconds.
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