Anthropic Claude Opus 4.8 with text, image, and file inputs and a 1M-token context window.
Added May 28, 2026
Context Window
1.0M
Max Output
128.0K
Avg output tokens (7d)
1.6K tokens
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$25.00/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
55.7
Coding Index
74.3
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
92.0%
Better than 98% of models compared
HLE
Humanity's Last Exam
45.7%
Better than 99% of models compared
IFBench
Instruction-following benchmark
62.2%
Better than 74% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
94.4%
Better than 93% of models compared
AA-LCR
Long context reasoning evaluation
67.7%
Better than 91% of models compared
Coding
SciCode
Python programming for scientific computing
53.5%
Better than 98% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
58.3%
Better than 99% of models compared
Last updated Jun 28, 2026
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