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Chat with xAI: Grok 4.3

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Modelo:
+ GPT-5, Claude, Gemini
Chat model Premium 1000000 ctx
xAI: Grok 4.3 — xAI: Grok 4.3 is an AI model by xAI on Free.ai. It supports up to 1,000,000 tokens of context. Costs approximately 1,546 tokens per message. Try xAI: Grok 4.3 instantly — no sign up needed. Compare it side-by-side with other models.
~1546 tokens/message

What is xAI: Grok 4.3?

xAI: Grok 4.3 is an AI model by xAI on Free.ai. It supports up to 1,000,000 tokens of context. Costs approximately 1,546 tokens per message. Try xAI: Grok 4.3 instantly — no sign up needed. Compare it side-by-side with other models.

Why use xAI: Grok 4.3 for chat?

Streaming responses

Replies stream token-by-token within ~1 second of pressing Send. No idle waiting.

Saved history

Signed-in users see every chat in /account/?tab=history with one-click share links.

Compare side by side

Send the same prompt to two models at /chat/compare/ and judge the outputs side by side.

Commercial use OK

Outputs are yours. Use them in apps, ads, docs, or anything else without attribution.

Sample prompts

Explain the difference between TCP and UDP in one paragraph
Write a friendly out-of-office reply that mentions a return date
Summarize the plot of The Three-Body Problem in 5 bullet points
Suggest 5 unique gift ideas for a friend who loves baking
Help me brainstorm a name for a small landscaping business in Texas

Pricing

Premium chat. Cost is per message — typically ~1546 tokens. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free signups get 10,000 tokens to try.

Compare to alternatives

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Full model reference → · See all chat models → · Comparar modelos de conversa →

Opcións avanzadas
Resultado
A faltar fichas. Get More Tokens
Want better results? Modelos Premium (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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A procesar o seu pedido...

xAI: Grok 4.3 is an AI model by xAI on Free.ai. It supports up to 1,000,000 tokens of context. Costs approximately 1,546 tokens per message. Try xAI: Grok ...

Como usar Chat with xAI: Grok 4.3

1
Introduza a súa entrada

Escriba texto, envíe un ficheiro ou describa o que queira. Non se precisa conta.

2
Prema para xerar

A nosa IA procesa a túa solicitude en segundos empregando os mellores modelos de código aberto.

3
Obter e compartir

Obteña, copie ou comparta o seu resultado. Gratuito para uso persoal e comercial.

Empregar esta ferramenta mediante API

Automatice esta ferramenta a partir do seu propio código. Punto final REST compatíbel con OpenAI, autenticación por token de portador, non se require SDK adicional. Os custos dos tokens son iguais aos da interface web.

Documentación da API Obter a chave da API 
curl -X POST https://api.free.ai/v1/chat/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Hello"}]}'

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Chat with xAI: Grok 4.3 — FAQ

xAI: Grok 4.3 is an AI model by xAI on Free.ai. It supports up to 1,000,000 tokens of context. Costs approximately 1,546 tokens per message. Try xAI: Grok 4.3 instantly — no sign up needed. Compare it side-by-side with other models.

xAI: Grok 4.3 works well for general conversation, writing assistance, brainstorming, code help, and analysis. Try the sample prompts above to see its style.

About 1,546 tokens per average message. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free accounts get 10,000 signup tokens plus a daily pool.

It depends on the task. /chat/compare/ lets you send the same prompt to xAI: Grok 4.3 and any other model side-by-side — comparison is the fastest way to decide.

Yes. Outputs are yours — Free.ai does not claim rights to anything you generate.

1,000,000 tokens.

Replies stream token-by-token within ~1 second. Total response time depends on length and model size — small models stream faster, frontier models trade speed for depth.

Yes. Signed-in users see every chat in /account/?tab=history. You can also share a one-link copy of any conversation via the Share button.

Free.ai does not train models on your conversations. Self-hosted models stay on our GPUs. Premium models route to the upstream provider for inference.

Yes. POST to /v1/chat/ with model="x-ai/grok-4.3" and a messages array. Streaming SSE is supported. Full reference: /api/.

xAI: Grok 4.3 is a premium model served by an external provider, so self-hosting is not available. Free.ai exposes it through token-based pricing.

Free accounts get 10,000 signup tokens plus a daily pool. When that runs out, top up starting at $1 (750K tokens) — no subscription required.

Inscríbete gratis para obter 10.000 tokens

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4.2/5 from 9 ratings

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