expectedAnthropicExpected: Q2 2026

Claude Haiku 5 API

The next-gen ultra-fast, low-cost Claude tier. Expected to target sub-200ms first-token latency for high-volume agent traffic.

What we know

The next-gen ultra-fast, low-cost Claude tier. Expected to target sub-200ms first-token latency for high-volume agent traffic.

Why it matters: Teams building consumer chat features want the cheapest Claude they can get — Haiku 5 will replace Haiku 4.5 as the go-to for scale.

Expected pricing: ~$0.80 / $4 per 1M tokens

Current best equivalent

LIVE ON SKILLBOSS TODAY

Claude 4.5 Haiku

Same Haiku tier — fast, cheap, Claude-grade instruction following.

Use Claude 4.5 Haiku Now →Get API Key

We'll auto-switch your API calls to Claude Haiku 5 the moment it launches — no code changes required.

Call it with curl

curl -X POST https://api.skillboss.co/v1/run \
  -H "Authorization: Bearer $SKILLBOSS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "skill_id": "anthropic/claude-4-5-haiku",
    "input": {
      "prompt": "Say hello from Claude Haiku 5 — routed via SkillBoss"
    }
  }'

Alternate options

ModelSkill IDTradeoff
GPT-5.1openai/gpt-5.1Similar price band, different personality
Gemini 2.5 Flashgoogle/gemini-2.5-flashCheapest-per-token frontier alternative

Notify me when Claude Haiku 5 launches

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Disclaimer: SkillBoss is an independent multi-provider gateway and is not affiliated with, endorsed by, or sponsored by Anthropic. “Claude Haiku 5”, “Anthropic”, and all related product names, logos, and trademarks are the property of their respective owners and are referenced here solely for factual comparison purposes. Information on this page is based on public roadmaps, leaks, and industry signals — not an official commitment from Anthropic. Actual release dates, names, features, and pricing may differ. See our full IP / trademark policy.