Anthropic

Claude Haiku 4.5

by Anthropictext+image+file->text8 endpoints
Neura Intelligence Index
59.0/ 100
Rank
#140
Confidence
medium
Benchmarks
6(15% coverage)

Overview

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

Capabilities

Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
Top-P sampling
Stop sequences

Modalities

Input
TextImageFile
Output
Text

Technical Specifications

Context Window
200K tokens
Max Output
64K tokens
Tokenizer
Claude
Content Moderation
Enabled
Uptime (24h)
10000.0%
Country
🇺🇸US
Release Date
October 15, 202511mo

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

Benchmark Performance

general

BenchmarkScoreSource
MMMLU
83
verified

coding

BenchmarkScoreSource
SWE-bench Verified
73.3
verified
TerminalBench
41
verified

math

BenchmarkScoreSource
AIME 2025
80.7
verified

reasoning

BenchmarkScoreSource
GPQA Diamond
73
verified

agent

BenchmarkScoreSource
OSWorld
50.7
verified

Performance Over Time

Pricing

Per 1M tokens
Input$1.00
Output$5.00
Cache read$0.10
Cache write$1.25
Added
October 15, 2025
Last synced 9/19/2026