Claude Opus 4.5 is an AI model from Anthropic. Claude Opus 4.5 with extended thinking mode for maximum reasoning depth on the most demanding problems.
Specifications
Canonical IDanthropic-claude-4-5-opus-thinking
StatusActive
CreatorAnthropicAnthropic
Benchmarks
Intelligence Index
49.7
#24
Coding Index
47.8
#13
Math Index
91.3
#20
MMLU-Pro
0.9
#2
GPQA
0.9
#38
HLE
0.3
#28
LiveCodeBench
0.9
#8
IFBench
0.6
#109
Time to First Token
9.60s
#448
SciCode
0.5
#21
AIME 2025
0.9
#20
LCR
0.7
#5
TerminalBench Hard
0.5
#14
TAU2
0.9
#58
Output TPS
70.0
#181

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$25.00Deprecating
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 4.5Current
Claude Opus 4.6 AdaptiveAvailable
Claude Opus 4.1Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Fable 5Fable1.0M$10.00$50.00
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
Claude Sonnet 4.5Sonnet
Claude Sonnet 4.6 Non-Reasoning Low EffortSonnet
Claude Sonnet 4Sonnet

Model IDs

anthropic-claude-4-5-opus-thinking
claude-opus-4-5-thinking