Fast Grok model for responsive chat, reasoning, and tool-assisted work
Context
2M
2,000,000 tokens
Max output
2M
2,000,000 tokens
Input
—
per 1M tokens
Output
—
per 1M tokens
Providers
1
1 listings
Intelligence
—
Not yet scored
Pricing
USD per 1M tokens · listed by Qiniu
| Token type | Standard |
|---|---|
| Input | — |
| Output | — |
Capabilities
ReasoningYes
Tool callYes
Structured outputNo
TemperatureYes
AttachmentsYes
Interleaved reasoningNo
Open weightsNo
ModeratedUnknown
Input
TextImageAudioVideo
Output
Text
Benchmarks
Published scores and Design Arena Elo
No published benchmark scores for this model yet.
Rankings
Position on each OneAtlas leaderboard
Providers · 1
1 listings
| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Qiniu | x-ai/grok-4-fast | 2M | — | 2M | — | — | — | — | — | — | — | Yes | Yes | No | Yes | Sep 20, 2025 |