Anthropic
Claude Opus 4.8 Fast
Claude Opus 4.8 low-latency variant. Skips extended thinking for faster response at higher per-token cost.
claude-opus-4-8-fastCatalog preview. Paid requests for this model are not enabled yet.
Pricing
~46%USD. No uRouter markup. Live prices can change.
- Input
- $5.44763 / 1,000,000 tokens
- Output
- $27.23815 / 1,000,000 tokens
- Cache read
- $0.544763 / 1,000,000 tokens
- Cache write
- $6.809538 / 1,000,000 tokens
Model details
- Input
- text
- Output
- text
- Context window
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $8Uncapped capacity
- Updated
- 11/8/2026, 2:16:16 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$5.44763/ 1,000,000 tokens
Capabilities
chatstreamingtoolsvisionjson mode
Supported parameters
frequency_penaltymax_completion_tokensmax_tokensparallel_tool_callspresence_penaltyresponse_formatseedstopstreamstream_optionstemperaturetool_choicetoolstop_puserverbosityListed capabilities describe the model. uRouter execution support is verified separately.