prices synced 2026-09-23

Claude Opus 5.5 (batch)

Anthropic · Multimodal · Released Sep 2026

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Claude Opus 5.5 is Anthropic's flagship model for complex reasoning, long-context analysis, and autonomous agent work, with a 1 million token context window.

Strengths
Handles multi-step reasoning, large codebase modifications, and extended agentic tasks with strong performance across reasoning and coding workloads.
Best for
Complex reasoning problems, extensive code generation and refactoring, and long-horizon autonomous agent work requiring sustained context.
Limitations
Designed for real-time use; for asynchronous batch processing, the batch mode variant is available, and Claude Fable 5.1 offers reasoning improvements for certain demanding tasks.

Input / 1M

$2.00

Output / 1M

$10.00

Cached input / 1M

$0.1

Context window

1M

Also billed

Cache write
$2.50 / 1M

Price history

Price per 1M tokens over timeOutput $10.00; Input $2.00 as of Sep 2026.$0$2.00$4.00$6.00$8.00$10.00Output on 22 Sep 2026: $10.00Out $10.00Input on 22 Sep 2026: $2.00In $2.00Sep 2026

Snapshots

Effective Input Output Cached in Note Source
22 Sep 2026 $2.00 $10.00 $0.1 Imported from OpenRouter openrouter.ai

More from Anthropic

Claude Opus 5.5

in $4.00 · out $20.00

Claude Fable 5.1

in $10.00 · out $50.00

Claude Fable 5.1 (batch)

in $5.00 · out $25.00

Claude Opus 5

in $5.00 · out $25.00
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