Claude Opus 4.8

Anthropic's flagship, released May 28, 2026. Adds adaptive thinking, effort controls (low/high/xhigh/max), and a Fast Mode at $10/$50 per MTok. Superseded July 24, 2026 by Claude Opus 5, which launched at the same $5/$25 pricing and took over as Anthropic's flagship and the Claude Max default.

Claude Opus 4.8 strengths

• Best-in-class coding and agentic tasks
• Adaptive reasoning with effort controls
• 1M context at flat rate
• Strong instruction following and safety

Pricing & context

Cost guide: a typical call of about 10K input + 2K output tokens costs roughly $0.10 at list prices. Worth modelling against cheaper tiers before committing high-volume traffic.

When to choose Claude Opus 4.8

Claude Opus 4.8 is best for complex coding agents, long-horizon tasks, and workloads needing top reliability and reasoning. If your workload is more cost-sensitive, weigh it against gpt-oss-120b (≈$0.03 input /1M) first.

Claude Opus 4.8 FAQ

How much does Claude Opus 4.8 cost?

Claude Opus 4.8 is priced at $5.00 per 1M input tokens and $25.00 per 1M output tokens (public API list price), with a 1M tokens context window. A typical call of about 10K input and 2K output tokens costs roughly $0.10.

What is Claude Opus 4.8 best for?

Claude Opus 4.8 by Anthropic is best for complex coding agents, long-horizon tasks, and workloads needing top reliability and reasoning.

How does Claude Opus 4.8 pricing compare to Gemini 3.1 Pro?

Claude Opus 4.8 input costs $5.00 per 1M tokens versus $2.00 (under 200K; $4.00 above) for Gemini 3.1 Pro, roughly 2.5x more expensive on input. Output is $25.00 vs $12.00 (under 200K; $18.00 above).

Is Claude Opus 4.8 multimodal?

Claude Opus 4.8 supports text, image.

Compare Claude Opus 4.8 head-to-head

Tools that use Claude Opus 4.8