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Claude Opus 5

Anthropic model, released 24 Jul 2026.

$5.00
per 1M input tokens
$25.00
per 1M output tokens
$0.5
per 1M cached-read tokens
Calculate what your real prompts cost on Claude Opus 5

Price history

Price stable since we started tracking (24 Jul 2026). History will chart here as soon as it moves.

Specifications

Lab
Anthropic
Released
24 Jul 2026
Context window
1M tokens
Max output
128k tokens
Input modalities
text, image, file
Output modalities
text
Knowledge cutoff
—
Open source
No

Benchmarks

BenchmarkCategoryScoreAs of
LMArena (Chatbot Arena)coding1531.8 (1524.4–1539.1)2 Sept 2026
LMArena (Chatbot Arena)overall1505 (1500.5–1509.6)2 Sept 2026

LMArena (Chatbot Arena) data © their authors, CC-BY-4.0

Frequently asked questions

How much does Claude Opus 5 cost?

Claude Opus 5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens (list price, updated every 6 hours).

What is Claude Opus 5's context window?

Claude Opus 5 supports a 1M-token context window with up to 128k output tokens.

Related models

Claude Fable 5.1
Anthropic · $10.00/$50.00 per 1M
Claude Opus 5 (Fast)
Anthropic · $10.00/$50.00 per 1M
Claude Sonnet 5
Anthropic · $2.00/$10.00 per 1M
Claude Fable 5
Anthropic · $10.00/$50.00 per 1M
Claude Opus 4.8 (Fast)
Anthropic · $10.00/$50.00 per 1M
Claude Opus 4.8
Anthropic · $5.00/$25.00 per 1M
Claude Opus 5: API Pricing & Specs (2026) | AIToolScout