Alternatives to Claude Haiku 5.5

Claude Haiku 4.5: a previous low-cost Claude row at $1/$5 per 1M tokens and 200k context.

Previous Claude v1 snapshot. Not a 2026 text default.

Claude Sonnet 5: live mid-tier Claude row at $2/$10 per 1M tokens and 1M context. Not leftover Sonnet 4.5.

Previous Claude 3 Haiku snapshot. Not the 2026 fast default.

Anthropic's generally available Fable-class model for coding and knowledge work. $10/$50 per 1M tokens, cache reads $0.25, API id claude-fable-5-1.

Anthropic's Mythos-class flagship made safe for general use, with 1M-token context, frontier coding and vision, days-long agentic autonomy, and $10/$50 per 1.

Previous Claude 3.5 Sonnet snapshot. Not the 2026 default.

Previous Claude 3 Opus snapshot. Not the 2026 flagship.

Previous Claude 3 Sonnet snapshot. Not the 2026 default.

Anthropic's most capable model for cybersecurity and biology, gated behind invite-only trusted access. Same engine as Claude Fable 5.1 with relaxed safeguards for vetted organizations.

Anthropic's previous Sonnet snapshot: 200k context, $3/$15 per 1M tokens. Docs now sell newer Claude 4.6 and Claude 5 lines.

Anthropic's most capable hybrid reasoning model: 1M-token context, adaptive thinking, and industry-leading agentic coding results.

Anthropic Claude Sonnet 5.5: second model in the Claude 5.5 family, same $2/$10 price as Sonnet 5, 30%+ faster and up to 30% cheaper per task per Anthropic, 1M context.

Anthropic's previous Opus snapshot: 200k context, $5/$25 per 1M tokens. Later billed lines include Opus 4.6 and Opus 5.