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Claude Opus 5 (Adaptive Reasoning, Max Effort)

AnthropicClaudeProprietary

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

54
general
75
coding
93
reasoning
73
science
40
agents
80
multimodal

Rankings

Domain#RankScoreSource
Agentic Capability54
46.0
LS
Code Ranking11
94.0
AA
General Ranking6
95.0
AA
Multimodal Ranking34
59.0
LS
Science7
92.0
AA

Benchmark Scores (LLM Stats)

(LLM Stats (zeroeval))

Agents

AutomationBench26.0%SR

Biology

BioMysteryBench90.1%SR

Code

DeepSWE 1.168.8%SR
Frontier-Bench v0.143.3%SR

Healthcare

HealthBench Professional59.8%SR

Legal

Legal Agent Benchmark11.7%SR

Multimodal

OSWorld 2.070.6%SR

Reasoning

BrowseCompOpenAI (2025)90.8%SR
Humanity's Last Exam64.7%SR
FrontierCode 1.153.4%
FrontierCode53.4%SR
Terminal-Bench 4.051.8%
ARC-AGI-330.2%SR

AA Evaluation Indices

(Artificial Analysis)
Gpqa(NYU + Cohere + Anthropic (2023))
93.2
Terminalbench V2 1
89.1
Lcr(Artificial Analysis)
79.3
Coding Index(Artificial Analysis)
78.0
Scicode(UIUC + Argonne National Lab (2024))
56.4
Hle(Center for AI Safety + Scale AI (2025))
54.9
Intelligence Index(Artificial Analysis)
54.1
Tau Banking
42.1

LLM Stats Category Scores

(LLM Stats (zeroeval))
Science
90
Search
90
Biology
90
Multimodal
70
Vision
70
Math
60
General
60
Healthcare
60
Code
60
Reasoning
50
Agents
50
Tool Calling
40
Legal
10

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/sec51.6
Time to First Token38.16s
Time to Answer38.16s

Provider Price Ranking

Provider Price Ranking

1 providers

ProviderInputOutput
1Anthropic
$0.00001
$0.00003

Compare pricing across different API providers for this model.

External Sources