AI Index

Claude Haiku 4.5vsClaude Haiku 5.5

Both language models, compared at each maker’s own API list prices. Every figure links to its source.

Compare at your usage

Every model priced for the same request
Prompt per request
Cache hits
Batch

8,000 tokens in, 2,000 out

Claude Haiku 4.5 on Claude APIClaude Haiku 5.5 on Claude API
Rate appliedBase rateBase rate
Inputper 1M tokens$1.00 $0.10
Cache readper 1M tokens$0.10 $0.010
Outputper 1M tokens$5.00 $0.50
Cost per request$0.018$0.0018
Per 1,000 requests$18.00$1.80

Every model is priced for the same request at its maker’s own list prices (each with its source and date), so bold marks the cheapest. A model that can’t serve the request is named, not ranked; a condition its seller doesn’t price says which rate was used.

Cost per request as prompts grow

2K tokens out, list price on each maker’s API. Claude Haiku 5.5 charges $0.50 / $2.50 above 100K tokens. A line ends at the model’s context window.

0$0.20$0.400250K500K750K1Mprompt tokens per request100K8KClaude Haiku 5.5$0.0018 at 8KClaude Haiku 4.5$0.018 at 8K
  • Claude Haiku 4.5 · Claude API
  • Claude Haiku 5.5 · Claude API

Where each stands among all scored models

Each line runs from the lowest to the highest score on the board; the tick is the median.

Epoch Capabilities Index#89 vs #15 of 118Claude Haiku 5.5: 160.2Claude Haiku 4.5: 142.8Epoch AI · GPQA Diamond#94 vs #46 of 168Claude Haiku 5.5: 89.6%Claude Haiku 4.5: 71.2%Epoch AI · Chess Puzzles#81 vs #14 of 85Claude Haiku 5.5: 55%Claude Haiku 4.5: 8%Epoch AI · OTIS Mock AIME 2024–2025#95 vs #18 of 159Claude Haiku 5.5: 98.9%Claude Haiku 4.5: 66.7%
  • Claude Haiku 4.5
  • Claude Haiku 5.5

Key differences

Claude Haiku 4.5Claude Haiku 5.5
InputMaker’s official API · global · USD
$1.00 / 1M tokens Claude API pricing · as of Nov 1, 2026
$0.10 / 1M tokens Claude API pricing · as of Nov 1, 2026
OutputMaker’s official API · global · USD
$5.00 / 1M tokens Claude API pricing · as of Nov 1, 2026
$0.50 / 1M tokens Claude API pricing · as of Nov 1, 2026
Context
200,000 Claude Haiku 4.5 model overview · as of Nov 1, 2026
1,000,000 Claude Platform release notes · as of Nov 3, 2026
Max output
64,000 Claude Haiku 4.5 model overview · as of Nov 1, 2026
128,000 Claude Platform release notes · as of Nov 3, 2026
Knowledge cutoff
Feb 2025 Claude Haiku 4.5 model overview · as of Nov 1, 2026
Jun 2026 Claude Haiku 5.5 model overview · as of Nov 2, 2026
Cache readMaker’s official API · global · USD
$0.10 / 1M tokens Claude API pricing · as of Nov 1, 2026
$0.010 / 1M tokens Claude API pricing · as of Nov 1, 2026

These differences use verified vendor specifications or each maker’s official API on the same region, currency, meter and billing conditions. Different conditions remain side by side in the full table; they do not establish which model is cheaper. Declared features describe support, not measured quality or a recommendation. Missing evidence does not mean a feature is unsupported.

Full comparison

Claude Haiku 4.5 Anthropic Claude Haiku 5.5 Anthropic
Overview
ReleasedOct 15, 2025 Oct 7, 2026
Open weights— —
Knowledge cutoffFeb 2025 Jun 2026
Specs
Context200K 1M
Max output64K 128K
Input modalitiesText, Image Text, Image
Output modalitiesText Text
ReasoningYes Yes
Reasoning can be offNot stated Yes
Tool useYes Yes
Structured outputYes Yes
Pricing · per 1M tokens
Input price$1.00Also priced under other conditions: Batch $0.10Also priced under other conditions: Prompts over 100K tokens, Batch
Output price$5.00Also priced under other conditions: Batch $0.50Also priced under other conditions: Prompts over 100K tokens, Batch
Cache read price$0.10 $0.010Also priced under other conditions: Prompts over 100K tokens
Cache write price$1.25Also priced under other conditions: 1-hour cache5-minute cache $0.125Also priced under other conditions: 1-hour cache, Prompts over 100K tokens5-minute cache
Cache write price (1-hour cache)$2.001-hour cache $0.201-hour cache
Blended price (3 input : 1 output)$2.00 $0.20
Pricing under conditions · per 1M tokens
Input price, long promptsNot offered $0.50Prompts over 100K tokens
Output price, long promptsNot offered $2.50Prompts over 100K tokens
Batch input price$0.50Batch $0.050Batch
Batch output price$2.50Batch $0.25Batch
Cited scores
Epoch Capabilities Index142.8 160.2
LMArena Text— 1,425 high effort
LMArena Text · Coding— 1,489 high effort
LMArena Text · Chinese— 1,468 high effort
Epoch AI · GPQA Diamond71.2% 32K thinking budget89.6% max effort
Epoch AI · FrontierMath Tiers 1–3— 75.1% max effort

Headline prices may come from different channels, regions or tiers. Check each source before choosing a model; missing facts stay blank.

Model details and sources

Cited scores