Claude Opus 4.8

anthropic/claude-opus-4.8

anthropic/claude-opus-4.8

Anthropic Claude Opus 4.8 via OpenRouter, with text, image, and file inputs and a 1M-token context window.

Added May 28, 2026

Context Window

1.0M

Max Output

128.0K

Input Price (Auto)

$5.00/1M

Output Price (Auto)

$25.01/1M

Cache Read (Auto)

$0.50/1M

Capabilities

Vision

Reasoning

PDF upload

Tool calling

Structured output

Benchmarks

Performance metrics and benchmarks

Artificial Analysis

LMArena

Sourced from Artificial Analysis.

No benchmark data is available yet for this model.

Auto routing is available for this model. Explicit provider selection is not available.

Loading provider options…