Claude Opus 4.8

claude-opus-4-8 · Anthropic

Claude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is suitable for the most complex tasks. It is Anthropic’s strongest model for complex reasoning, long-horizon agent programming, and highly autonomous work.claude-opus-4-8 does not display thought content by default; you need to set the additional parameter "display": "summarized" to enable it

API Pricing

Input$5 / 1M tokens
Output$25 / 1M tokens
Cache read$0.5 / 1M tokens

Specifications

Context1M tokens
Modalitiestext, image, PDF
CapabilitiesThinking, Streaming, Tool calling, Web search, Code interpreter, Computer use, Memory tool, Structured outputs, Citations, Prompt caching
Endpointschat_completions, claude_api

Frequently asked questions

What is Claude Opus 4.8?

Claude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is suitable for the most complex tasks. It is Anthropic’s strongest model for complex reasoning, long-horizon agent programming, and highly autonomous work.claude-opus-4-8 does not display thought content by default; you need to set the additional parameter "display": "summarized" to enable it

What is the context length of Claude Opus 4.8?

Claude Opus 4.8 has a 1,000,000 token context window.

How much does Claude Opus 4.8 cost?

On AIHubMix, Claude Opus 4.8 costs $5 per million input tokens and $25 per million output tokens. Cached input reads are billed at $0.5 per million tokens.

What modalities does Claude Opus 4.8 support?

Claude Opus 4.8 accepts text, image and PDF input.

What capabilities does Claude Opus 4.8 support?

Claude Opus 4.8 supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

How do I call Claude Opus 4.8 via API?

Claude Opus 4.8 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to claude-opus-4-8 — no other code changes needed.

Who created Claude Opus 4.8?

Claude Opus 4.8 is developed by Anthropic. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

When was Claude Opus 4.8 released?

Claude Opus 4.8 was released on May 28, 2026 by Anthropic.

More models from Anthropic

See all Anthropic models →

Claude Haiku 5.5

by Anthropic

Claude Haiku 5.5 is Anthropic’s next-generation product, designed for high-throughput…

$0.1/1M in · $0.5/1M out
200,000 tokens context

Claude Opus 5.5

by Anthropic

Claude Opus 5.5 is Anthropic’s latest flagship model. In Anthropic’s comprehensive…

$4/1M in · $20/1M out
1,000,000 tokens context

Claude Sonnet 5.5

by Anthropic

Claude Sonnet 5.5 is the next-generation product in Anthropic’s Sonnet model series…

$2/1M in · $10/1M out
1,000,000 tokens context

Claude Fable 5.1

by Anthropic

Claude-fable-5-1 is Anthropic's most capable newly released model, suitable for the most…

$11/1M in · $55/1M out
1,000,000 tokens context

Claude Opus 5

by Anthropic

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and…

$5/1M in · $25/1M out
1,000,000 tokens context

Claude Sonnet 5

by Anthropic

Claude Sonnet 5 is the next generation of Anthropic's Sonnet model family. It is a…

$2/1M in · $10/1M out
1,000,000 tokens context

Use Claude Opus 4.8 via the AIHubMix unified API — one interface for every major LLM.