Anthropic · Legacy
Claude Opus 4.1
Earlier Opus 4 variant with higher per-token pricing. Superseded by Opus 4.5/4.6/4.7.
- Reasoning
-
- Speed
-
- Context window
- 200K
- Input
-
Text input supportedImage input supportedAudio input not supportedVideo input not supported - Output
-
Text output supportedImage output not supportedAudio output not supportedVideo output not supported
Pricing
per 1M tokens
Input price
$15.00
Cache read price
$1.50
Cache write price
$18.75
Output price
$75.00
Cache write 5m: $18.75/1M, 1h: $30/1M.
Capabilities
- ✓ Function calling
- ✓ Vision
- ✓ Structured output
- ✓ Extended reasoning
- ✓ Prompt caching
- ✓ Batch API
- ✓ Streaming
Limits & knowledge
- Context window
- 200K
- Max output
- 32K
- Family
- Claude Opus 4
Source & last check
Source: https://platform.claude.com/docs/en/about-claude/pricing · Verified on: May 25, 2026