Claude Opus 4.1 is an AI model from Anthropic. Claude Opus 4.1 with extended thinking mode enabled for deeper chain-of-thought reasoning on complex problems.
Specifications
Canonical IDanthropic-claude-4-1-opus-thinking
StatusActive
CreatorAnthropicAnthropic
Benchmarks
Intelligence Index
33.7
#68
Math Index
80.3
#61
MMLU-Pro
0.9
#7
GPQA
0.8
#102
HLE
0.1
#128
LiveCodeBench
0.7
#86
IFBench
0.6
#128
Time to First Token
9.71s
#458
SciCode
0.4
#84
AIME 2025
0.8
#61
LCR
0.7
#49
TerminalBench Hard
0.3
#68
TAU2
0.7
#135
Output TPS
39.9
#241

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Opus 4.81.0M$5.00$25.00Available
Claude Opus 4.8 Fast1.0M$10.00$50.00Available
Claude Opus 4.7 Fast1.0M$30.00$150.00Available
Claude Opus 4.71.0M$5.00$25.00Available
Claude Opus 4.61.0M$5.00$25.00Deprecated
Claude Opus 4.5410K$5.00$25.00Available
Claude Opus 4.1200K$15.00$75.00Deprecated
Claude Opus 4410K$5.00$25.00Deprecated
Claude Opus 4.1Current
Claude Opus 4.6 AdaptiveAvailable
Claude Opus 4.5Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Sonnet 5.3Sonnet
Claude Sonnet 5Sonnet1.0M$2.00$10.00
Claude Fable 5Fable1.0M$10.00$50.00
Claude Fable 5.3Fable
Claude Mythos 5Mythos1.0M$10.00$50.00
Claude Sonnet 4.6Sonnet1.0M$3.00$15.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Sonnet 4.5Sonnet1.0M$3.00$15.00
Claude Sonnet 4Sonnet1.0M$3.00$15.00
Claude Sonnet 4.6 AdaptiveSonnet

Model IDs

anthropic-claude-4-1-opus-thinking
claude-4-1-opus-thinking