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Claude Opus 5 (Adaptive Reasoning, Max 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

59
general
75
coding
93
reasoning
72
scienceest.
30
agents
70
multimodal

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

Rankings

Domain#RankScoreSource
Code Ranking2
98.0
AA
General Ranking1
100.0
AA
Science2
97.0
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
78.0
Intelligence Index
60.7
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/sec43.9
Time to First Token28.70s
Time to Answer28.70s

Provider Price Ranking

Provider Price Ranking

10 providers

Cheapest: NanoGPTMost Expensive: Venice AI
ProviderInputOutput
1NanoGPTCheapest
$4.998
$25.007
2AnthropicPRIMARY
$5
$25
3Kilo Gateway
$5
$25
4Helicone
$5
$25
5Amazon Bedrock
$5
$25
6Vertex (Anthropic)
$5
$25
7Vertex
$5
$25
8OpenRouter
$10
$50
9Vercel AI Gateway
$10
$50
10Venice AI
$12
$60

Compare pricing across different API providers for this model.

External Sources