Claude Haiku 5.5: specs, pricing and how it performs in a council

Claude Haiku 5.5 is Anthropic's model available on Council AI at $0.10 per million input tokens and $0.50 per million output, with a 1,000,000-token context window. Anthropic's small, fast model (released Oct 7, 2026). Succeeds Haiku 4.5 with stronger coding and computer use at a tenth of the price ($0.10/$0.50). 1M context. No sampling params. On Council you do not run it alone: the same prompt goes to up to 10 models from different labs in parallel, and a moderator synthesizes one answer with a consensus score showing where the labs agreed.

Claude Haiku 5.5 specifications

What Claude Haiku 5.5 is good at

Anthropic's small, fast model (released Oct 7, 2026). Succeeds Haiku 4.5 with stronger coding and computer use at a tenth of the price ($0.10/$0.50). 1M context. No sampling params.

Council surfaces it for: fast, coding, agents, budget.

It has native web search, so it can ground answers in current sources rather than training data alone.

Claude Haiku 5.5 pricing on Council AI

Council does not resell tokens. Every paid plan carries a monthly budget and each model draws against it at cost: $0.10 in / $0.50 out per million tokens for Claude Haiku 5.5. Plans start at $19.99/mo (Plus), $39.99/mo (Pro) and $99.99/mo (Ultra, which adds media review, the personal RAG library and MCP server).

Using Claude Haiku 5.5 in a council

A single model — this one included — can be confidently wrong. Council runs Claude Haiku 5.5 alongside models from other labs on the same prompt, then scores how much they agreed. High consensus is a signal you can act on the answer; low consensus surfaces the specific point they split on, which is usually the part worth checking yourself.

Other Anthropic models in the lineup: Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5.

Frequently asked questions