AI Model Watch
Models / Anthropic

Claude Opus 4.8

GA

Most capable Opus-tier model (complex reasoning, long-horizon agentic coding). API ID == alias 'claude-opus-4-8' (dateless pinned snapshot). Adaptive thinking; no extended thinking. effort defaults to 'high'. 5m cache $6.25/MTok, 1h cache $10/MTok, cache hits $0.50/MTok. Batch: $2.50 in / $12.50 out. 1M context at standard pricing; 200k on Microsoft Foundry. Supports up to 300k output via Batch API beta header. Fast mode (preview): $10 in / $50 out per MTok. Reliable knowledge cutoff Jan 2026; training data cutoff Jan 2026. Tentative retirement not sooner than May 28, 2027. Explicit release da

Provider
Anthropic
Status
GA
Input price
$5 / 1M tokens
Output price
$25 / 1M tokens
Cached input
$0.5 / 1M tokens
Blended price
$10 / 1M tokens
Context window
1,000,000 tokens (1M)
Max output
128,000 tokens
Modality
text, image, vision
Knowledge cutoff
2026-01
Released
—
API string
claude-opus-4-8

Source: Anthropic official documentation ↗

See also

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