Model prices / xAI / Grok 4.1 Fast (Reasoning)
Grok 4.1 Fast (Reasoning)
xAI · released 2025-11-19
No price from the maker itself is on record for Grok 4.1 Fast (Reasoning). The lowest of 8 providers is Jiekou.AI: $0.19 per 1M input tokens and $0.475 per 1M output tokens (as of 2026-11-12). Context window: 2M tokens, up to 30K output tokens per request.
Price by providerUSD per 1M tokens
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
JJiekou.AILowestgrok-4-1-fast-reasoning | $0.19 | $0.475 | — | Lowest | Official docs |
3302.AIgrok-4-1-fast-reasoning | $0.2 | $0.5 | — | Official docs | |
FFrogBotgrok-4-1-fast-reasoning | $0.2 | $0.5 | $0.05 | Official docs | |
HHeliconegrok-4-1-fast-reasoning | $0.2 | $0.5 | $0.05 | Official docs | |
 DevPass (LLM Gateway)grok-4-1-fast-reasoning | $0.2 | $0.5 | $0.05 | Official docs | |
 VertexDeprecatedxai/ | $0.2 | $0.5 | $0.05 | Deprecated | Official docs |
 PoeDeprecatedxai/ | — | — | — | Deprecated | Official docs |
QQiniuDeprecatedx-ai/ | — | — | — | Deprecated | Official docs |
Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.
About
xAI's fast agentic tool-calling model with a 2M context window and built-in reasoning
Description from models.dev.
Specs
- Type
- Text
- Context
- 2M
- Max output
- 30K
- Input
- Text, Image
- Output
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- Knowledge cutoff
- 2025-11
- Open weights
- No
- Released
- 2025-11-19
Source
Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.