Claude Opus 4.1

claude-opus-4-1-20250805

Claude Opus 4.1 is an updated version of Anthropic’s flagship model.

Reasoning

Highest

Speed

Medium

Price

$12.00 • $60.00

Input • Output

Cache Price

$1.20 • $15.00

Read • Write

Input

Text

Output

Text

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Specifications

Context Window

200K

Max Output Tokens

32K

Announced Date

2025-08-05

Released Date

2025-08-05

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

1,998

Gemini 3.1 Pro

1,939

Claude Opus 4.5

1,592

GLM-5

1,585

Gemini 3 Pro

1,579

GPT-5 Medium

1,074

GLM-4.7

1,048

Claude Opus 4.1This Model

1,027

GPT-5.1 Thinking

1,014

Kimi K2 0905

1,006

Chat Arena

Qwen3.5-122B-A10B

1,965

Nemotron 3 Super (120B A12B)

1,817

Qwen3.5-27B

1,785

Qwen3.5-35B-A3B

1,715

Claude Opus 4.6

1,491

GPT-5.2

1,193

Qwen3 Max

1,183

Claude Opus 4.1This Model

1,183

GPT-5.1 Instant

1,180

ChatGPT-4o Latest

1,173

GPQA

Claude Mythos Preview

94.6%

Gemini 3.1 Pro

94.3%

Claude Opus 4.7

94.2%

GPT-5.2 Pro

93.2%

GPT-5.4

92.8%

DeepSeek-R1-0528

81.0%

GPT OSS 120B High

80.9%

Claude Opus 4.1This Model

80.9%

LongCat-Flash-Thinking-2601

80.5%

GPT OSS 120B

80.1%

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%

MiniMax M2

78.0%

Phi 4 Reasoning Plus

78.0%

Claude Opus 4.1This Model

78.0%

MiniMax M1 80K

76.9%

Claude Opus 4

75.5%

SWE-Bench

Claude Mythos Preview

93.9%

Claude Opus 4.7

87.6%

Claude Opus 4.5

80.9%

Claude Opus 4.6

80.8%

Gemini 3.1 Pro

80.6%

MiMo-V2-Omni

74.8%

GPT-5 Codex

74.5%

Claude Opus 4.1This Model

74.5%

Step-3.5-Flash

74.4%

GLM-4.7

73.8%

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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