xAI
Grok 4.5
Grok 4.5 — xAI flagship chat model on OpenRouter with 500K context, multimodal inputs, prompt-cache reads, tools, and reasoning.
grok-4.5Catalog preview. Paid requests for this model are not enabled yet.
Pricing
~98%USD. No uRouter markup. Live prices can change.
- Input
- $0.041279 / 1,000,000 tokens
- Output
- $0.123838 / 1,000,000 tokens
- Cache read
- $0.006192 / 1,000,000 tokens
- Cache write
- $0.041279 / 1,000,000 tokens
Model details
- Input
- text, image, file
- Output
- text
- Context window
- 500,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $8KUncapped capacity
- Updated
- 11/8/2026, 1:49:20 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.041279/ 1,000,000 tokens
Capabilities
chatstreamingtoolsvisionreasoningweb search
Supported parameters
include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_pListed capabilities describe the model. uRouter execution support is verified separately.