Last refreshed 2026-05-20. Next refresh: weekly.
Why use Grok 3 Mini on OpenRouter?
OpenRouter offers Grok 3 Mini with pay-as-you-go pricing at $0.30/1M 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 3 Mini across 2 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-3-minix-ai/grok-3-miniRequest example
x-ai/grok-3-mini.Gotchas
- Use provider model ID "x-ai/grok-3-mini", not the LLMReference slug "grok-3-mini".
Compare Grok 3 Mini Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $0.30 | $0.50 |
| Microsoft Foundry | $0.25 | $1.27 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.30 |
| Output tokens | $0.50 |
Capabilities
About Grok 3 Mini
Grok 3 Mini is xAI's Grok 3 model with multimodal text and image input. It offers a 131K-token context window.
FAQ
What does Grok 3 Mini cost on OpenRouter?
On OpenRouter, Grok 3 Mini costs $0.3 per 1M input tokens and $0.5 per 1M output tokens.
What is the context window for Grok 3 Mini on OpenRouter?
Grok 3 Mini supports a 131k token context window on OpenRouter.
How does OpenRouter compare to other Grok 3 Mini providers?
Grok 3 Mini is available from 2 providers. The cheapest input pricing is $0.25/1M tokens from Microsoft Foundry.
What API model ID do I use for Grok 3 Mini on OpenRouter?
Use the model ID x-ai/grok-3-mini when calling OpenRouter's API.
Who created Grok 3 Mini?
Grok 3 Mini was created by xAI as part of the Grok 3 model family.
Is Grok 3 Mini open source?
Grok 3 Mini is not open source; the seed data lists it as proprietary.