grok-4.20-0309-non-reasoning
xAI·Token-based
xAI 的 grok-4.20-0309-non-reasoning 模型。支持文本、图像输入和文本输出。
textimagefunction_callingtoolsstructured_outputjson_modevisioncontext:1000000
- Starting price
- Input / Output · 1M
- Context
- 1M
- Maximum input window
- Modalities
- →
- Released
- Mar 2026
Pricing by Supplier
xAI
-40%xAI 官方
Input$2$1.2/ 1M
Output$6$3.6/ 1M
Cache Read$0.2$0.12/ 1M
Capabilities / Supported modalities
Function callingToolsStructured outputJSON modeVision
Input
Output
Provider & data privacy
Provider
xAIDocs
Tokenizer
Grok tokenizer (BPE)License
Proprietary (commercial)Proprietary
Data retention87 daysNot used for upstream training by default
Performance
API access
Code samples
RequestPOST
/v1/chat/completionsExample request
Parameters
| Parameter | Type | Default / range | Description |
|---|---|---|---|
reasoning_effort | enum | = medium | Controls how much the model thinks before answering |
max_completion_tokens | integer | >= 1 | Maximum tokens including hidden reasoning tokens |
stop | array | — | Up to 4 strings that stop generation |
seed | integer | — | Deterministic sampling seed (best-effort) |
stream | boolean | = false | Stream tokens via Server-Sent Events |
response_format | object | — | Force JSON object or schema-conforming output |
tools | array | — | Tool / function declarations the model may call |
tool_choice | string | autononerequired | Tool-choice policy or specific tool name |
user | string | — | End-user identifier for abuse monitoring |
Replace <YOUR_API_KEY> with the API key from your token settings.
Authentication
All requests must include Authorization: Bearer <TOKEN> header. Anthropic-formatted endpoints accept the x-api-key header instead.
Generate tokens from the Tokens page; you can scope them to specific models, groups, IPs, and rate-limits.
Supported parameters
Generation parameters
| Parameter | Type | Default / range | Description |
|---|---|---|---|
reasoning_effort | enum | = medium | Controls how much the model thinks before answering |
max_completion_tokens | integer | >= 1 | Maximum tokens including hidden reasoning tokens |
stop | array | — | Up to 4 strings that stop generation |
seed | integer | — | Deterministic sampling seed (best-effort) |
stream | boolean | = false | Stream tokens via Server-Sent Events |
response_format | object | — | Force JSON object or schema-conforming output |
tools | array | — | Tool / function declarations the model may call |
tool_choice | string | autononerequired | Tool-choice policy or specific tool name |
user | string | — | End-user identifier for abuse monitoring |
Rate limits
| Supplier | RPM | TPM | RPD |
|---|---|---|---|
| xAI | 800 | 321K | 16K |
RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply per token group.
API access questions
Everything you need to decide before creating an account.