GPT-5Chat
OpenAI's flagship model — excellent across all task types.
8.4sp50100%up1 rail128K ctx$0.025typical$1.96 → $15.68 /MTok
Playground
Providers
| Provider | Context | Price · in / out |
|---|---|---|
 OpenAINo trainingNo training on your data. Zero-retention available | 128K | $1.25 / $4.93/MTok |
Routing controls
routing.strategyproviders.onlyproviders.excludeproviders.ordermax_cost_usddata_policydocs →Performance
Collecting — charts appear after two days.
Pricing
- Typical
- $0.011/req
- Input
- $1.25/M tok
- Cached input
- $0.26/M tok
- Output
- $4.93/M tok
API
POST/api/v1/chat/completionsOpenAI-compatible
o3-mini
curl https://www.ninjachat.ai/api/v1/chat/completions \
-H "Authorization: Bearer $NINJACHAT_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "o3-mini",
"messages": [{ "role": "user", "content": "Hello!" }],
"stream": true
}'messagestemperaturemax_completion_tokenstop_pstopfrequency_penaltypresence_penaltyseedstreamuserroutingresponse_format
FAQ
What is O3 Mini?
OpenAI's o3-mini reasoning model — best-in-class for math and logic.
How much does O3 Mini cost?
O3 Mini costs $1.25/M input tokens and $4.93/M output tokens.
What inputs and outputs does O3 Mini support?
O3 Mini accepts text and returns text.
How do I call O3 Mini?
POST /api/v1/chat/completions with `"model": "o3-mini"`.
What other GPT models are on NinjaChat?
GPT-5, GPT-5 Mini, GPT-5.4, GPT-5.4 Pro, GPT-5.6 Luna, GPT-5.6 Sol, GPT-5.6 Terra, GPT-OSS 120B, GPT-OSS 20B.