Anthropic: Claude Opus 5.5 (Fast)
Claude model for long-running agentic coding and knowledge work
Cheapest input
$8
$/MTok · models.dev
Cheapest output
$40
$/MTok
Context
1M
tokens
Sources
2
4 listings
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestanthropic/claude-opus-5.5-fast | Vercel AI Gateway | $8 | $40 | $0.4 | 1M |
| models.devclaude-opus-5-5-fast | Venice AI | $8 | $40 | $0.4 | 1M |
| LiteLLMclaude-opus-5-5-fast | N/A | $8 | $40 | $0.4 | N/A |
| LiteLLMazure_ai/claude-opus-5-5-fast | N/A | $8 | $40 | $0.4 | N/A |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Knowledge cutoff: 2026-06Released: 2026-09-22Family: claude-opus
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