Last refreshed 2026-07-09. Next refresh: weekly.
Why use Grok 4 on OpenRouter?
OpenRouter offers Grok 4 with pay-as-you-go pricing at $3.00/1M 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 across 4 providers to find the best fit for your use caseInput / 1M
$3.00
Output / 1M
$15.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: x-ai/grok-4Model ID
x-ai/grok-4Request example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
x-ai/grok-4.Gotchas
- Use provider model ID "x-ai/grok-4", not the LLMReference slug "grok-4".
Compare Grok 4 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Microsoft Foundry | — | — |
| OpenRouter | $3.00 | $15.00 |
| Replicate API | $7.20 | $36.00 |
| xAI Console | $1.25 | $2.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt Caching
About Grok 4
Original Grok 4 API model (grok-4-0709) with 256K context, reasoning, text and image input, function calling, structured outputs, live browsing, and code execution support. xAI lists May 15, 2026 as the API retirement date for this model; new integrations should use Grok 4.3.
Get Started
Model Specs
Released2025-07-09
Context256k
ArchitectureDecoder Only