LLM Perks

GPT 5 Kiara

OpenAI · All GPT models
Free right now Frontier New
VisionTool useLong context

GPT 5 Kiara is a language model from OpenAI. It is currently free at 1 provider with up to 400K tokens of context. The model understands images, supports tool calling.

Developer
OpenAI
Context
400K tokens
Type
Text
License
Proprietary
Free since
October 31, 2026

Where to use GPT 5 Kiara for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
UnoRouter
gpt-5-kiara:free
400K No-card free models use shared capacity and per-model limits; availability can change. No Open

Quick start

curl https://api.unorouter.com/v1/chat/completions \
  -H "Authorization: Bearer $UNOROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5-kiara:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for UnoRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.

Similar free models

FAQ

Is GPT 5 Kiara free?

Yes. As of October 31, 2026, GPT 5 Kiara is free at UnoRouter. Each provider has its own limits — see the table above.

What is the context window of GPT 5 Kiara?

The largest context among free routes is 400,000 tokens. Some providers cap it lower.

How do I call GPT 5 Kiara via API?

Use any OpenAI-compatible client with base URL https://api.unorouter.com/v1, model ID gpt-5-kiara:free, and a UnoRouter key.

Is GPT 5 Kiara open-weight?

No, it is proprietary: access is only through provider APIs.