AI Observatory / Model Radar Anthropic / anthropic/claude-opus-4

Anthropic: Claude Opus 4

Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...

200,000 Context
32,000 Max output
$15.00 / 1M Prompt price
2025-05-22 Created
01 / Snapshot

Pricing, context, modalities, and parameters.

Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.

Provider Anthropic Input modalities image, text, file
Output modalities text Prompt price $15.00 / 1M
Completion price $75.00 / 1M Request price N/A
Context length 200,000 Max completion tokens 32,000
Supported parameters include_reasoning, max_tokens, reasoning, stop, temperature, tool_choice, tools, top_k, top_p
Best for anthropic/claude-opus-4

Anthropic: Claude Opus 4

Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...

Coding workflows Cross-modal work Long context vision tool-capable long-context
03 / Colophon

Routes and exits.

Each model page stays simple: overview, compare, related models, then back to the public hub.