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Grok 4.5 Add a modelChat with this model

Attribute	Grok 4.5x-ai/grok-4.5
Specs
Context window	500K
Max output	500K
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	$ 2.00>= 200K$ 4.00
Output	$ 6.00>= 200K$ 12.00
Cache read	$ 0.30>= 200K$ 0.60
Cache write	$ 2.00>= 200K$ 4.00
What it is good at
Best for	Agentic engineering Technical knowledge work
Published benchmarks
SWE Marathonpass_at_1	29%(setup not fully disclosed)
Terminal-Bench 2.1pass_rate	83.3%(setup not fully disclosed)
DeepSWE 1.0resolved_rate	62%provider(setup not fully disclosed)
DeepSWE 1.1resolved_rate	53%mini-swe-agent
SWE-Bench Proresolved_rate	64.7%(setup not fully disclosed)