CURRENT SAME-PROVIDER CANDIDATE
Claude Haiku 4.5
Lowest priced current option clearing the historical ECI screen.
Claude 3 Haiku is retired.
What replaces Claude 3 Haiku?
For a direct Anthropic API replacement for Claude 3 Haiku, compare Claude Haiku 4.5 first. As of 2026-11-02, its verified Standard blended price is $2.00 per 1M tokens at a 75% input / 25% output mix. Among current same-provider models, it is the lowest-priced option whose ECI lower bound clears the retired model's lower bound. ECI is an estimated general-capability measure; this is not a task-performance guarantee.
Historical ECI 118.8 · Current direct API price unavailable
REPLACEMENT DECISION
Replace Claude 3 Haiku today.
Direct API prices at 75% input / 25% output. ECI is estimated general capability, not task success.
The provider's announced successor has no verified current tariff for its exact ID; the current choice is screened against historical ECI without a context-equivalence claim. ECI intervals can overlap; no choice guarantees task results or API compatibility.
Replacement questions
Which replacement did Anthropic announce for Claude 3 Haiku?
Anthropic announced claude-haiku-4-5-20251001. We have no verified current direct API price for that exact ID. Provider notice.
Is the replacement for Claude 3 Haiku API compatible?
API compatibility has not been verified. Check the provider's migration guidance and test your integration before switching.
Prices verified 2026-11-02; ECI snapshot 2026-11-01. Retirement applies to the Anthropic direct API; seller routes need separate evidence. Retirement notice · ECI data · Browse current models.