Claude Opus 4.8
Anthropic's flagship model released May 29, 2026. Best-in-class for code, long-form analysis, and nuanced reasoning. $5/$25 per 1M tokens. The original Claude 4 series was retired June 15, 2026.
Best For
Strengths
- Best code reasoning in production models
- Excellent at nuanced prose and brand voice
- 1M context window + PDF understanding
- Constitutional AI: more thoughtful responses
- Long document analysis (PDFs, papers, books)
Weaknesses
- More expensive than GPT-5.6 ($5 vs $2.50 input)
- Slower than Flash variants
- Stricter refusals (Microsoft CEO criticized this)
- No native audio/video
Related Alternatives
GPT-5.6
Better for math/agents, half the price
Kimi K3
Better for Chinese, 5x cheaper
Frequently Asked Questions
How much does Claude Opus 4.8 cost?
Claude Opus 4.8 costs $5 per 1M input tokens and $25 per 1M output tokens. For Claude Pro subscription, it's $20/month for web access. Opus 4.8 Fast Mode (beta) costs $10/$50 per 1M for 2.5x faster responses.
Is Claude Opus 4.8 better than GPT-5.6 for coding?
Yes, generally. Claude Opus 4.8 leads GPT-5.6 on most coding benchmarks: SWE-Bench (78% vs 71%), multi-file refactoring, and code review accuracy. For simple code completion, GPT-5.6 Luna is faster and cheaper.
See Claude Opus 4.8's full record in our database
Live pricing for all Anthropic plans, token cost calculator, and the latest price changes.
View Full Comparison →