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Claude Opus 4.8 Add a modelChat with this model

Attribute	Claude Opus 4.8anthropic/claude-opus-4-8
Specs
Context window	1M
Max output	128K
Input modalities	TextImage
Output modalities	Text
Capabilities
Streaming	Supported
Tool calling	Supported
Structured output (JSON)	Supported
Image input	Supported
Thinking mode	Supported
Price / 1M tokens
Input	$ 5.00
Output	$ 25.00
Cache read	$ 0.50
Cache write	$ 6.25
What it is good at
Best for	Agentic coding Security research with reduced guardrails
Published benchmarks
Terminal-Bench 2.1pass_rate	74.6%(setup not fully disclosed)
SWE-Bench Proresolved_rate	69.2%(setup not fully disclosed)
OSWorld-Verifiedsuccess_rate	83.4%(setup not fully disclosed)
Finance Agent v2score	53.9%(setup not fully disclosed)
GDPval-AAelo	1890(setup not fully disclosed)
Humanity's Last Examaccuracy	49.8%(setup not fully disclosed)
Humanity's Last Exam (with tools)accuracy	57.9%(setup not fully disclosed)