Last refreshed 2026-07-09. Next refresh: weekly.
Why use Grok 4.5 on OpenRouter?
OpenRouter offers Grok 4.5 with pay-as-you-go pricing at $2.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Grok 4.5 across 3 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: x-ai/grok-4.5x-ai/grok-4.5Request example
x-ai/grok-4.5.Gotchas
- Use provider model ID "x-ai/grok-4.5", not the LLMReference slug "grok-4.5".
Compare Grok 4.5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| xAI Console | $2.00 | $6.00 |
| OpenRouter | $2.00 | $6.00 |
| Vercel AI Gateway | $2.00 | $6.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $6.00 |
Capabilities
About Grok 4.5
Grok 4.5 is xAI/SpaceXAI's July 2026 flagship model for coding, agentic tasks, and knowledge work. It is publicly available as grok-4.5 through the xAI API and Grok Build, supports configurable low/medium/high reasoning, function calling, web search, X search, code execution, prompt caching, and a 500k-token context window. xAI tiered pricing applies at a 200K prompt threshold: <=200K prompts at $2.00/$0.50 cached/$6.00 per 1M tokens (input/cached input/output), and prompts above 200K at $4.00/$1.00/$12.00; EU API-console availability was not yet live on launch day.