Claude Opus 4.8
Anthropic's most capable Opus-family model, with reasoning support and a 1M-token context window. Anthropic's designated replacement for Opus 4.1 and earlier Opus models.
Pricing
Input$5 / 1M checked Jul 19, 2026
Cached input$0.50 / 1M
Output$25 / 1M checked Jul 19, 2026
Batch $2.50 in / $12.50 out. Fast mode (research preview) runs at $10 in / $50 out. Uses Anthropic's newer tokenizer, which produces roughly 30% more tokens for the same text than Claude 4.6 and earlier.
Cost bandPremium
Free tierNo free API tier.
Limits
Context window1M checked Jul 19, 2026
DeploymentClaude Platform, Bedrock, Vertex AI, Foundry
OpenAI-compatible APINo
ModalitiesText, Image input, PDF input
Where it fits
Best forProduction coding agents, deep analysis, and workloads standardized on the Opus line.
Business fitSame $5/$25 pricing as Opus 4.5 and 4.6 with a higher capability ceiling.
Capabilities
Extended thinkingFunction callingStructured outputsMCP
Change history
- May 28, 2026New modelClaude Opus 4.8 added to the index $5 in / $25 out per 1M, 1M context. Replaces Opus 4.1 (retires Aug 5, 2026). Anthropic pricing
Data
Last checkedJul 19, 2026
Cross-checked againstopenrouter.ai/anthropic/claude-opus-4.8
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