The Orchestrator › Models › Anthropic
Anthropic: Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Specifications
| Provider | Anthropic |
| Model ID | anthropic/claude-sonnet-5.5 |
| Context window | 1M tokens (1,000,000) |
| Modalities | text + image + file → text |
| Tokenizer | Claude |
| Router sources | OpenRouter, TrustedRouter, Vercel AI Gateway, Cloudflare |
| Released | 2026-09-28 |
| Tracked since | 2026-11-14 |
| Popularity | #12 by usage · peak 10.6% spend share in an OpenRouter category |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | anthropic/claude-sonnet-5.5 | $2.00 | $10.00 | 1M |
| batch | OpenRouter | anthropic/claude-sonnet-5.5:batch | $1.00 | $5.00 | 1M |
| standard | TrustedRouter | anthropic/claude-sonnet-5.5 | $2.11 | $10.55 | 1M |
| standard | Vercel AI Gateway | anthropic/claude-sonnet-5.5 | $2.00 | $10.00 | 1M |
| batch | Vercel AI Gateway | anthropic/claude-sonnet-5.5:batch | $1.00 | $5.00 | 1M |
| standard | Cloudflare | anthropic/claude-sonnet-5.5 | $2.00 | $10.00 | — |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $2.00 | $10.00 | — |
| 2026-11-14 | $2.00 | $10.00 | 1M |
| 2026-11-14 | $2.11 | $10.55 | 1M |
| 2026-11-14 | $2.00 | $10.00 | 1M |
Capabilities
Vision (image input)File inputAgentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoningNo content storage (attested)Zero data retentionNo training on inputs (attested)
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
include_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, stop, structured_outputs, tool_choice, tools, verbosity