Anthropic
Claude Opus 4.8
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports long-horizon agentic work, complex multi-step coding, and memory-driven tasks where coherence over extended sessions matters. It features a 1M token context window, 128K max output tokens, adaptive thinking, and strong multimodal capabilities.
claude-opus-4.8Catalog preview. Paid requests for this model are not enabled yet.
Pricing
~91%USD. No uRouter markup. Live prices can change.
- Input
- $0.439553 / 1,000,000 tokens
- Output
- $2.197765 / 1,000,000 tokens
- Cache read
- $0.043955 / 1,000,000 tokens
- Cache write
- $0.549441 / 1,000,000 tokens
Model details
- Input
- text
- Output
- text
- Context window
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $4.1KUncapped 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
$0.439553/ 1,000,000 tokens
Capabilities
chatstreamingtoolsvisionreasoningjson mode
Supported parameters
frequency_penaltyinclude_reasoningmax_completion_tokensmax_tokensparallel_tool_callspresence_penaltyreasoningreasoning_effortresponse_formatseedstopstreamstream_optionstemperaturetool_choicetoolstop_puserverbosityListed capabilities describe the model. uRouter execution support is verified separately.