Claude Haiku 4.5

claude-haiku-4-5-20251001

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model.

Reasoning

Medium

Speed

Fast

Price

$0.80 • $4.00

Input • Output

Cache Price

$0.08 • $1.00

Read • Write

Input

Text

Output

Text

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Specifications

Context Window

200K

Max Output Tokens

64K

Announced Date

2025-10-15

Released Date

2025-10-15

Knowledge Cutoff

2025-02-01

Reasoning Token Support

✓

Modalities

Text

Input and output

Image

Not supported

Audio

Not supported

Video

Not supported

Endpoints

OpenAI Compatible

Chat Completions

/v1/chat/completions

Responses

/v1/responses

Embeddings

/v1/embeddings

Image Generation

/v1/images/generations

Image Edit

/v1/images/edits

Videos

/v1/videos

Claude Compatible

Messages

/v1/messages

Gemini Compatible

Generate Content

/v1beta/models/{model}:{operator}

Performance Rankings

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Code Arena

Claude Opus 4.6

2,002

Gemini 3.1 Pro

1,855

GLM-5

1,600

Claude Opus 4.5

1,582

Gemini 3 Pro

1,579

DeepSeek-V3.2-Speciale

832

GPT-5.1 Medium

814

Claude Haiku 4.5This Model

797

MiMo-V2-Flash

793

DeepSeek-V3.2-Exp

750

Chat Arena

Claude Opus 4.6

1,476

Claude Opus 4.5

1,345

GLM-4.5

1,342

Grok-4 Fast Reasoning

1,338

DeepSeek-V3.2-Exp

1,300

Claude Opus 4.1

1,183

GLM-5

1,179

Claude Haiku 4.5This Model

1,176

ChatGPT-4o Latest

1,173

GPT-5.2

1,172

GPQA

Gemini 3.1 Pro

94.3%

GPT-5.2 Pro

93.2%

GPT-5.4

92.8%

GPT-5.2

92.4%

Gemini 3 Pro

91.9%

LongCat-Flash-Chat

73.2%

Qwen3 VL 32B Thinking

73.1%

Claude Haiku 4.5This Model

73.0%

Qwen3-Next-80B-A3B-Instruct

72.9%

GPT OSS 20B

71.5%

AIME 2025

Grok-4 Heavy

100.0%

GPT-5.2

100.0%

Gemini 3 Pro

100.0%

Kimi K2-Thinking-0905

100.0%

GPT-5.2 Pro

100.0%

Qwen3 235B A22B

81.5%

MiniMax M2.1

81.0%

Claude Haiku 4.5This Model

80.7%

Qwen3 VL 8B Thinking

80.3%

Ministral 3 (8B Reasoning 2512)

78.7%

SWE-Bench

Claude Opus 4.5

80.9%

Claude Opus 4.6

80.8%

Gemini 3.1 Pro

80.6%

MiniMax M2.5

80.2%

GPT-5.2

80.0%

Seed 2.0 Lite

73.5%

MiMo-V2-Flash

73.4%

Claude Haiku 4.5This Model

73.3%

DeepSeek-V3.2 (Thinking)

73.1%

DeepSeek-V3.2-Speciale

73.1%

ARC-AGI v2

Gemini 3.1 Pro

77.1%

GPT-5.4

73.3%

Claude Opus 4.6

68.8%

Claude Sonnet 4.6

58.3%

GPT-5.2 Pro

54.2%

Metric Definitions

LLM

Code Arena: Average score across coding arenas based on human votes.
Chat Arena: Human preference score from blind comparisons.
GPQA: Graduate-level science questions requiring expert knowledge.
AIME 2025: Recent math competition problems.
SWE-Bench: Real GitHub issues requiring code changes.
ARC-AGI v2: Abstract reasoning problems.

Image

IMAGE GEN: Human preference score for text-to-image generation.
IMAGE EDIT: Human preference score for image editing and transformation.

Video

Text to Video: Human preference score for text-to-video generation.
Image to Video: Human preference score for image-to-video generation.
Video to Video: Human preference score for video editing capabilities.

TTS

TTS: Human preference score for text-to-speech quality.

STT

STT: Human preference score for transcription accuracy.

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Powerful API Access

High Cost-Effectiveness

Interactive Studio UI

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