Grok 4.1 Fast (Reasoning)
xai/grok-4.1-fast-reasoningxAI's fast agentic tool-calling model with a 2M context window and built-in reasoning
Context
2M
2,000,000 tokens
Max output
30K
30,000 tokens
Input
$0.20
per 1M tokens
Output
$0.50
per 1M tokens
Providers
11
11 listings
Intelligence
—
Not yet scored
Pricing
USD per 1M tokens · listed by 302.AI
| Token type | Standard |
|---|---|
| Input | $0.20 |
| Output | $0.50 |
Lowest input price across providers: $0.19.
Capabilities
ReasoningYes
Effort: low, medium, high
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsYes
Interleaved reasoningNo
Open weightsNo
ModeratedUnknown
Input
TextImage
Output
Text
Benchmarks
Published scores and Design Arena Elo
No published benchmark scores for this model yet.
Rankings
Position on each OneAtlas leaderboard
Providers · 11
11 listings
302.AI
LLM Gateway
DevPass (LLM Gateway)
Poe
Azure
Azure Cognitive Services
Helicone
Qiniu
Jiekou.AI
Vertex
FrogBot| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 302.AI | grok-4-1-fast-reasoning | 2M | — | 30K | $0.20 | $0.50 | — | — | — | — | — | Yes | Yes | Unknown | Yes | Nov 19, 2025 |
| Azure | grok-4-1-fast-reasoning | 128K | 128K | 8K | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Unknown | Yes | Jun 27, 2025 |
| Azure Cognitive Services | grok-4-1-fast-reasoning | 128K | 128K | 8K | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Unknown | Yes | Jun 27, 2025 |
| DevPass (LLM Gateway) | grok-4-1-fast-reasoning | 2M | — | 30K | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Yes | Yes | Nov 19, 2025 |
| FrogBot | grok-4-1-fast-reasoning | 2M | — | 128K | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Unknown | Yes | Nov 19, 2025 |
| Helicone | grok-4-1-fast-reasoning | 2M | — | 2M | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Unknown | Yes | Nov 19, 2025 |
| Jiekou.AI | grok-4-1-fast-reasoning | 2M | — | 30K | $0.19 | $0.47 | — | — | — | — | — | Yes | Yes | Yes | Yes | Nov 19, 2025 |
| LLM Gateway | azure-ai-foundry/grok-4-1-fast-reasoning | 2M | — | 30K | $0.20 | $0.50 | — | — | — | — | — | Yes | Yes | No | Yes | Nov 19, 2025 |
| Poe | xai/grok-4.1-fast-reasoning | 2M | — | 30K | — | — | — | — | — | — | — | Yes | Yes | Unknown | No | Nov 19, 2025 |
| Qiniu | x-ai/grok-4.1-fast-reasoning | 20M | — | 2M | — | — | — | — | — | — | — | Yes | Yes | No | Yes | Nov 19, 2025 |
| Vertex | xai/grok-4.1-fast-reasoning | 128K | — | 30K | $0.20 | $0.50 | — | $0.05 | — | — | — | Yes | Yes | Yes | Yes | Nov 19, 2025 |