Anthropic
Claude Opus 5 (Fast)
Claude Opus 5 (Fast) is a speed-optimized variant of Anthropic's most capable Opus model, offering the same 1M token context window and strong performance across agentic coding, professional knowledge work, and long-horizon reasoning with lower latency.
claude-opus-5-fastCatalog preview. Paid requests for this model are not enabled yet.
Pricing
~52%USD. No uRouter markup. Live prices can change.
- Input
- $4.81784 / 1,000,000 tokens
- Output
- $24.0892 / 1,000,000 tokens
- Cache read
- $0.481784 / 1,000,000 tokens
- Cache write
- $6.0223 / 1,000,000 tokens
Model details
- Input
- text, image, file
- Output
- text
- Context window
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $3.5KUncapped 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
$4.81784/ 1,000,000 tokens
Capabilities
chatstreamingweb searchvisiontoolsreasoningjson modecode
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstreamstream_optionsstructured_outputstool_choicetoolsverbosityListed capabilities describe the model. uRouter execution support is verified separately.