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Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)

AnthropicClaude

Description

Claude Opus 5 is Anthropic's flagship general-access model, built for efficient agentic coding, knowledge work, scientific research, computer use, and problem-solving. Anthropic reports state-of-the-art results on Frontier-Bench v0.1 and GDPval-AA, substantial gains over Opus 4.8 across life-sciences evaluations, and support for configurable effort levels. It is available through the Claude API at the same $5/$25 per million input/output token price as Claude Opus 4.8.

Release Date
2026-07-24
Parameters
Context Length
1.0M
Modalities
image, pdf, text

Capability Radar

58
general
74
coding
94
reasoning
72
scienceest.
30
agents
70
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Code Ranking7
96.0
AA
General Ranking2
99.0
AA
Science3
96.0
AA

Benchmark Scores (LLM Stats)

Agents

GDPval-AA1861.00 / 3000SR
BrowseComp90.8%SR
OSWorld 2.070.6%SR
DeepSWE 1.168.8%SR
FrontierCode 1.153.4%SR
FrontierCode53.4%SR
Frontier-Bench v0.143.3%SR
AutomationBench26.0%SR
Legal Agent Benchmark11.7%SR

Biology

BioMysteryBench90.1%SR

General

ARC-AGI-330.2%SR

Healthcare

HealthBench Professional59.8%SR

Math

Humanity's Last Exam64.7%SR

AA Evaluation Indices

Coding Index
77.0
Intelligence Index
60.1
Gpqa
0.9
Terminalbench V2 1
0.9
Lcr
0.7
Scicode
0.6
Hle
0.5
Tau Banking
0.3

LLM Stats Category Scores

Finance
100
Legal
100
Agents
100
Reasoning
100
General
100
Search
90
Multimodal
70
Vision
70
Math
60
Healthcare
60
Code
60
Tool Calling
30

Pricing

Input Price$5 / 1M tokens
Output Price$25 / 1M tokens
Blended Price (3:1)$10 / 1M tokens
Cache Read Price$0.5 / 1M tokens
Cache Write Price$6.25 / 1M tokens

Speed

Tokens/sec60.4
Time to First Token22.56s
Time to Answer22.56s

Provider Price Ranking

Provider Price Ranking

1 providers

ProviderInputOutput
1AnthropicPRIMARY
$5
$25

Compare pricing across different API providers for this model.

External Sources