SPECS
| context window | 1,000,000 tokens |
|---|---|
| max output | 128,000 tokens |
| price in / out | $2 / $10 per 1M tokens |
| weights | closed |
openrouter.ai/api/v1/models (as of 2026-11-15)
MODEL / CLAUDE-SONNET-5-5
Claude Sonnet 5.5
Near-Opus quality at Sonnet price — 30%+ faster than Sonnet 5.
model
textvisioncodereasoning
Kindmodel
Access—
Pricing—
Free tier—
Caps4
PUBLISHED BENCHMARKS
| terminalBench4 | 70.6 |
|---|---|
| cursorBench4 | 55.5 |
| frontierCode11 | 52.1 |
| sweBenchPro | 81.3 |
| chartography | 61.6 |
| aaIndex | 54.5 |
| gdpvalAA | 1844 Elo |
Anthropic published · 2026-09
MACHINE-READABLE
GET /api/v1/resources/claude-sonnet-5-5Open JSON ↗