Anthropic: Claude Haiku 4.5

Anthropic: Claude Haiku 4.5

anthropic · Released Oct 15, 2025 Professional
Intelligence #14 / 590
82.0 Our Score
Speed #122 / 278
105.7 tokens / sec
Input #441 / 590
$1.00 per 1M tokens
Output #474 / 590
$5.00 per 1M tokens
Context #207 / 590
200,000 tokens

Analysis Summary

Claude Haiku 4.5 is Anthropic's latest lightweight flagship, and it punches well above its price class. With a coding index of 43.9 and agentic index of 41, it sits in the excellent tier for both dimensions, supported by a livecodebench score of 0.615 and a terminalbench hard score of 0.272. The long-context reliability score of 0.703 is among the strongest in this batch, and the ifbench score of 0.543 confirms reliable instruction following. Vision, file input, tool use, and function calling make it a broad-capability model.

For businesses, it is well suited to coding assistance, agentic task automation, long-document analysis, and client-facing content generation. The 200K context window handles large codebases and contracts comfortably. The intelligence index of 29.6 places it below frontier reasoning models, so it is not the first choice for the most complex analytical tasks, but for the vast majority of business workloads it delivers reliable, high-quality output.

At $1/1M input and $5/1M output, it offers strong value relative to its capability breadth. Teams looking for a dependable, multi-purpose model from a trusted provider will find Haiku 4.5 a compelling default choice for production workflows.

Assessed June 30, 2026

Editorial notes

Claude Haiku 4.5 from Anthropic delivers strong coding, agentic, and long-context performance with vision and file support at $1/1M input, making it a highly capable and cost-efficient model for business workflows.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence4.6Technical6.2Value7Content7.2
Intelligence 4.6/10
Technical 6.2/10
Content 7.2/10
Value 7/10

How Anthropic: Claude Haiku 4.5 compares

Anthropic: Claude Haiku 4.5 ranks #82 of 385 AI models we track for overall intelligence, #39 of 129 for coding, #117 of 293 for agentic tasks. Its 200K-token context window is larger than 65% of the models we list. At $1.00 per million input tokens it is cheaper than 25% of comparable models.

About Anthropic: Claude Haiku 4.5

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

Tool Use Function Calling Vision

Performance Indices

Source: Artificial Analysis

29.6 Intelligence Index
43.9 Coding Index
41 Agentic Index
83.7 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 67.2% Graduate-level scientific reasoning
HLE 9.7% Humanity's Last Exam
MMLU Pro 76% Multi-task language understanding
AIME 2025 83.7% Competition mathematics (2025)
SciCode 43.3% Scientific computing

Technical

LiveCodeBench 61.5% Live coding evaluation
TerminalBench Hard 27.3% Agentic terminal tasks
τ²-Bench 54.7% Conversational agent benchmark

Content

IFBench 54.3% Instruction following
LCR 70.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Anthropic: Claude Haiku 4.5 stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID anthropic/claude-haiku-4.5
Provideranthropic
Release Date October 15, 2025
Context Length200,000 tokens
Max Completion64,000 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $1.00 $0.001000
Output $5.00 $0.005000

Live Performance

Live endpoint metrics, refreshed every 30 minutes.

100%
Avg Uptime
340ms
Best Latency (TTFT)
97 tok/s
Best Throughput
4/5
Active Endpoints
Available via: Amazon Bedrock, Google, Anthropic

Frequently asked questions about Anthropic: Claude Haiku 4.5

How much does Anthropic: Claude Haiku 4.5 cost?

Anthropic: Claude Haiku 4.5 costs $1.00 per million input tokens and $5.00 per million output tokens.

What is the context window of Anthropic: Claude Haiku 4.5?

Anthropic: Claude Haiku 4.5 has a context window of 200,000 tokens (200K).

Is Anthropic: Claude Haiku 4.5 good for coding?

On our coding benchmark index, Anthropic: Claude Haiku 4.5 ranks #39 of 129 models, placing it in the broader range of the field for code generation and debugging.

What can Anthropic: Claude Haiku 4.5 do?

Anthropic: Claude Haiku 4.5 supports image/vision input, tool use, and function calling.

Who created Anthropic: Claude Haiku 4.5?

Anthropic: Claude Haiku 4.5 is developed by Anthropic and was released on October 15, 2025.