Anthropic

Claude Haiku 5.5

CTX1M

New

95Quality

Reasoning · Vision · Tools

Input$0.10/M

Output$0.50/M

Fast Claude model for responsive assistance, classification, and lightweight agents

PaidProprietary1029/1040

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AnthropicTextCommon

Claude Haiku 5.5

Fast Claude model for responsive assistance, classification, and lightweight agents

claude-haiku-5-5

Type: Text
Quality: 95 · Top 5% on the Epoch Capabilities Index
Context window: 1,000,000 tokens
Max output: 128,000 tokens
Input price: $0.10 / 1M tokens
Output price: $0.50 / 1M tokens
Cache read: $0.01 / 1M tokens
Cache write: $0.13 / 1M tokens
Released: Oct 7, 2026
Knowledge cutoff: Jun 2026
Takes in: Text, Image, PDF
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: Yes
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Common
Set number: 1029/1040

Open Anthropic docs Quality 95 Where to run it 32 Evolution 2/2 Meet its creature Battle GPT-6 Luna

Weights aren’t public. Use is governed by Anthropic’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.anthropic.com.

How good is it?

Public leaderboard scores for Claude Haiku 5.5, refreshed daily from Epoch AI and LMArena.

Top 5% of the 277 models on the Epoch Capabilities Index: #14.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#14 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.159.0 index
LMArena WebDev#32 of 144
Each model builds a web app from the same prompt; people pick the better one.1,585 rating
Listed as Claude Haiku 5.5 (High)

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

32 providers sell Claude Haiku 5.5 through an API. Prices are per million tokens, cheapest first.

Cheapest302.AI$0.10 in · $0.50 out
From the labAnthropic$0.10 in · $0.50 out

API providers

Provider	Input	Output	Context
302.AICheapest paid`claude-haiku-5-5`	$0.10	$0.50	1M
AIHubMix`claude-haiku-5-5`	$0.10	$0.50	1M
Aixy`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M
Amazon Bedrock`anthropic.claude-haiku-5-5`	$0.10	$0.50	1M
AnthropicOfficial`claude-haiku-5-5`	$0.10	$0.50	1M
Azure`claude-haiku-5-5`	$0.10	$0.50	1M
Azure Cognitive Services`claude-haiku-5-5`	$0.10	$0.50	1M
Cloudflare AI Gateway`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
CommandCode`claude-haiku-5-5`	$0.10	$0.50	1M
CrossModel`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M

Show 22 more providers

Provider	Input	Output	Context
DevPass (LLM Gateway)`claude-haiku-5-5`	$0.10	$0.50	1M
Eden AI`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M
GitHub Copilot`claude-haiku-5.5`	$0.10	$0.50	1M
Kilo Gateway`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
LLM Gateway`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M
Merge Gateway`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M
NanoGPT`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
NEAR AI Cloud`anthropic/claude-haiku-5-5`	$0.10	$0.50	1M
Neon`claude-haiku-5-5`	$0.10	$0.50	1M
Ofox`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
OpenCode`claude-haiku-5-5`	$0.10	$0.50	1M
OpenCode Go`claude-haiku-5-5`	$0.10	$0.50	1M
OpenRouter`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
Requesty`claude-haiku-5-5`	$0.10	$0.50	1M
Standard Compute`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
Venice AI`claude-haiku-5-5`	$0.10	$0.50	1M
Vercel AI Gateway`anthropic/claude-haiku-5.5`	$0.10	$0.50	1M
Vertex`claude-haiku-5-5@default`	$0.10	$0.50	1M
Vertex (Anthropic)`claude-haiku-5-5@default`	$0.10	$0.50	1M
Vivgrid`claude-haiku-5-5`	$0.10	$0.50	1M
Cortecs`claude-haiku-5.5`	$0.11	$0.56	1M
AI/ML API`anthropic/claude-haiku-5.5`	$0.13	$0.65	1M

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

Claude Haiku 5.5

Claude Haiku 5.5

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Face off

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