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GPT-5.4 Mini
Model family: gpt-5-4
GPT-5.4 Mini — a cheap, fast closed tier (~$0.75/$4.50) for routed production traffic.
Identity
- Creator
- OpenAI
- Model family
- gpt-5-4
- Release date
- 2026-02-14
Technical specs
- Parameter count
- A cheaper, faster GPT-5.4 tier (~$0.75 input / $4.50 output per 1M). Outperforms GPT-4 Turbo at a fraction of the cost.
- Context window
- 400K tokens
- Modalities
- Image Input
- Text
- Primary capabilities
- Chat
- Coding
- Instruction Following
- Reasoning
- Tool Use
- Vision
License
- License
- OpenAI API Terms of Use
- Commercial use
- Allowed
- Terms
- Modification ✗
- Redistribution ✗
- Attribution ✗
Access
- Openness
- Closed Api
- Access methods
- Api First Party
- Api Third Party
- Hosted Chat Ui
- Cost tier
- Paid Api
- llm
- closed-api
- multimodal
- low-cost
- us-based
- proprietary