Claude Opus 4.8
Anthropic's Claude Opus 4.8 is a chat model that excels at handling diverse inputs, including images, PDFs, and text, within a large context window of 1,000,000 tokens. It demonstrates exceptional performance across various benchmarks, with top 10% scores in Intelligence Index, Coding Index, GPQA, and HLE, showcasing its strength in these areas.
Input
Output
Context
1000K
Max Output
128K
Parameters
-
Technical Specifications
Model TypeChat
Context Window1,000,000 tokens
Max Output Tokens128,000 tokens
ParametersNot available
Release DateMay 28, 2026
Training CutoffJan 1, 2026
Licenseproprietary
Open SourceNo
Input Modalities
ImageText
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
48.7%
HLE
73.0%
AA-LCR
92.0%
GPQA
94.4%
Tau2-Bench
62.2%
IFBench
53.5%
SciCode
34.2%
Tau2 Banking
74.3
Coding
57.3
Intelligence
58.3%
Terminal-Bench Hard
84.6%
Terminal-Bench 2.1
Resources & Links
proprietary, Proprietary - API access only
More Models by Anthropic
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Aug 28, 2026
Your AI stack shouldn't stand still.
Every month new models become cheaper, faster, and more capable. Inferbase ensures your application automatically benefits without changing a single API call.