Last refreshed 2026-05-16. Next refresh: weekly.
Why use Grok-3 on OpenRouter?
OpenRouter offers Grok-3 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-3 across 4 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-3x-ai/grok-3Request example
x-ai/grok-3.Gotchas
- Use provider model ID "x-ai/grok-3", not the LLMReference slug "grok-3".
Compare Grok-3 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $3.00 | $15.00 |
| xAI Console | $1.25 | $2.50 |
| Chutes AI | $0.80 | $2.40 |
| Microsoft Foundry | $3.00 | $15.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
Capabilities
About Grok-3
Grok-3 is a 2025 xAI model confirmed for May 15, 2026 retirement; use Grok 4.3 for current API work.
FAQ
What does Grok-3 cost on OpenRouter?
On OpenRouter, Grok-3 costs $3 per 1M input tokens and $15 per 1M output tokens.
What is the context window for Grok-3 on OpenRouter?
Grok-3 supports a 131,072 token context window on OpenRouter.
How does OpenRouter compare to other Grok-3 providers?
Grok-3 is available from 4 providers. The cheapest input pricing is $0.8/1M tokens from Chutes AI.
What API model ID do I use for Grok-3 on OpenRouter?
Use the model ID x-ai/grok-3 when calling OpenRouter's API.
Who created Grok-3?
Grok-3 was created by xAI as part of the Grok 3 model family.
Is Grok-3 open source?
Grok-3 is not open source; the seed data lists it as proprietary.