Grok 4.3

Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual accuracy. Reasoning can be configured between none/low/medium/high (default low) effort levels. It supports a 1 million token context window with no output token limit, making it well-suited for long-document analysis, deep research, and multi-step agentic tasks. Pricing is tiered: requests exceeding 200k total tokens are billed at a higher rate.

ChatxAI1M tokens$1.3626 / $2.7251 · 1M

x-ai/grok-4.3

Contexto
1M tokens
Máx. completion
900,000
Tools
Sí
JSON
Sí
Lanzamiento
2026-04-30

Llámalo desde Geek Hub

El mismo SDK de OpenAI. Cambia el base URL y el id del modelo.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.3",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Consigue tu API key

Preguntas frecuentes

¿Qué es Grok 4.3?
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual accuracy. Reasoning can be configured between none/low/medium/high (default low) effort levels. It supports a 1 million token context window with no output token limit, making it well-suited for long-document analysis, deep research, and multi-step agentic tasks. Pricing is tiered: requests exceeding 200k total tokens are billed at a higher rate. Grok 4.3 corre en el API de Geek Hub (compatible con OpenAI). Id: x-ai/grok-4.3.
¿Grok 4.3 es gratis?
No. El input cuesta $1.3626 / 1M tokens y el output $2.7251 / 1M tokens en Geek Hub (markup incluido).
¿Cuál es el contexto de Grok 4.3?
Grok 4.3 tiene una ventana de 1M tokens. Soporta hasta 900,000 tokens de completion.
¿Grok 4.3 soporta tool calling y structured outputs?
Grok 4.3 acepta tools y tool_choice para function calling. También soporta structured outputs con un JSON schema en response_format.
¿Cuándo se lanzó Grok 4.3?
Grok 4.3 se lanzó el 30 de abril de 2026.

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