Row verified 22 Oct 2026
Claude Haiku 5.5
Anthropic's current Haiku and its fastest model, for high-volume, latency-sensitive tasks such as classification, extraction, and routing.
- Lowest input price (3-way tie)
Anthropic · released 7 Oct 2026 · proprietary API
Claude Haiku 5.5 among the 42 models on the Frontier Index, placed by blended price.
Context window
1M
1,000,000 tokens
Input price
$0.10
per 1M tokens
Output price
$0.50
per 1M tokens
Blended
$0.20
3:1 in:out mix
Weights
Proprietary
API only
Released
7 Oct 2026
Anthropic
Long-context / tier pricing — Prompts over 100K tokens bill $0.50 in / $2.50 out; cache reads $0.01/1M ($0.05 over 100K). Uses the post-4.7 tokenizer, about 30% more tokens for the same text. Listed prices are the base rate for prompts up to ~200K tokens.
Where it ranks
Of 42 models tracked.
Cost to run
#2(tied)
of 42
Input price
#1(tied)
of 42
Context window
#10(tied)
of 42
Compare with
The nearest models by blended cost to run.
Put it to work
Specs from BitByteCore's hand-verified Frontier Ledger (v2026-10-22), this row verified 22 Oct 2026 against Anthropic's official pricing ↗. Model pricing moves fast, so confirm with Anthropic before you rely on a figure.