grok-4.2-beta
by xAIChatunverified match
Grok 4.20 Beta is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truthful responses.
- Context
- 2M tokens
- Max output
- 2,000,000 tokens
- Released
- 2026-03-19
- Weights
- Closed
xai/grok-4-2-beta
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-03-19
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 2,000,000 max across endpoints
- Max output
- 2,000,000
- Providers
- 0 + 1 gateway, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $2.00 in at Requesty, via gateway, fees not verified
More details
- Last updated
- 2026-03-19
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperatureunknown
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs grok-4.2-beta |
|---|---|---|---|---|---|
| Qwen3.8 2.4T A95B (NVFP4)Alibaba (Qwen) | $2.67 | $2.00 | $6.00 | 1M | +0% |
| Qwen3.8 Max 0902Alibaba (Qwen) | $2.67 | $2.00 | $6.00 | 1M | +0% |
| Mistral LargeMistral AI | $2.67 | $2.00 | $6.00 | 131K | +0% |
| Mistral Large 2.1Mistral AI | $2.67 | $2.00 | $6.00 | 131K | +0% |
| Mixtral 8x22B InstructMistral AI | $2.67 | $2.00 | $6.00 | 65.5K | +0% |
| Pixtral LargeMistral AI | $2.67 | $2.00 | $6.00 | 128K | +0% |
| Fugu MaxSakana AI | $2.67 | $2.00 | $6.00 | 1M | +0% |
| Grok LatestxAI | $2.67 | $2.00 | $6.00 | 500K | +0% |
More from xAI
Newest xAI models in the catalogue. All xAI models
| Model | Released | Context | Listed price |
|---|---|---|---|
| Grok Imagine Video 1.5 Lite | 2026-10-01 | 1K | unpriced |
| Grok 4.7 | 2026-09-21 | 500K | from $1.60 |
| Grok 4.6 | 2026-08-12 | 500K | from $2.00 |
| Grok Imagine Image 2.0 | 2026-08-07 | 65.5K | unpriced |
| Grok Voice STT 1.0 | 2026-08-04 | 15K | unpriced |
| Grok STT 1.0 | 2026-07-23 | — | unpriced |
| Grok 4.5 | 2026-07-08 | 500K | from $2.00 |
| Grok Imagine Video 1.5 | 2026-05-30 | 1K | unpriced |
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model