Polarison

Anthropic

Claude Haiku 4.5 pricing and benchmarks

Anthropic’s fastest model, with near-frontier intelligence.

Input
$1.00
per 1M tokens
Cached input
$0.10
per 1M tokens
Output
$5.00
per 1M tokens
Capability index
142.4
#15 of 16 tracked

How capable is Claude Haiku 4.5?

Claude Haiku 4.5 scores 142.4 on the Epoch Capabilities Index (confidence interval 139.8144.1), ranking #15 of the 16 rated models we track.

BenchmarkTestsScore
GPQA DiamondScience reasoning
61.6%
FrontierMath (Tiers 1–3)Advanced math
SimpleQA VerifiedFactual accuracy
13.2%
ARC-AGI-2Abstract reasoning
4.0%
DeepSWECoding
APEX-AgentsAgentic work
8.9%

Source: Epoch AI (as “Claude Haiku 4.5”), best recorded result, CC BY 4.0. A dash means no published score. Compare all models

What Claude Haiku 4.5 costs in practice

WorkloadMonthly cost
Support chatbot
100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each.
$350.00
Document Q&A (RAG)
50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each.
$550.00
Coding agent
10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens.
$248.00

Pricing details

  • Cache writes cost $1.25 (5-minute cache) or $2 (1-hour cache) per 1M tokens.
  • Uses Anthropic’s previous tokenizer.

Estimate your Claude Haiku 4.5 bill

Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.