Claude Opus 4.8
by AnthropicClaude 4 family
Parameters
—
Context window
200K tokens
Released
2026-05-01
Input price / 1M tok
$15.00
Output price / 1M tok
$75.00
Modality
multimodal, vision, tools
About Claude Opus 4.8
Successor to Opus 4.7 with better long-horizon planning, tighter tool-use JSON, and improved 'extended thinking' quality. Same price and context window as 4.7; recommended default for new Claude Code sessions.
Strengths
- Improved multi-step agent reliability
- Tighter tool-use JSON
- Better extended-thinking budget efficiency
- Same 200K context
Weaknesses
- Same latency as 4.7
- Same premium pricing
- No audio
Best for
Coding agentsComplex planningLong-context analysis