GPT-5.4 mini — pricing & specs
GPT-5.4 mini is a fast model from OpenAI, at capability tier 4 of 8. Live $/M-token pricing and specs from the Mintok catalog, as of 2026-07-20.
$/M-token pricing
as of 2026-07-20 · OpenAIWhat GPT-5.4 mini costs in practice
At $4.50/M output tokens, GPT-5.4 mini is the 8th-cheapest of 9 priced tier-4 models in the Mintok catalog — about 590% above the tier median of $0.65/M.
| Scenario | Est. cost |
|---|---|
| 1M input + 1M output tokens | $5.25 |
| A 10K-token request (8K in / 2K out) | $0.015 |
| 1,000 agent runs (~2K in / 500 out each) | $3.75 |
| 1M-token RAG chat session (900K cached in / 100K out) | $0.518 |
Estimated from list price (as of 2026-07-20) at the token mixes shown; your real cost depends on prompt/response length and cache hit-rate. Model your own volume →
Specifications
- Vendor
- OpenAI
- Family
- GPT- mini
- Capability tier
- 4 / 8
- Size class
- FAST
- Category
- GENERAL
- Context window
- 400,000 tokens
- Licensing
- Proprietary
Alternatives at tier 4
Same capability tier, sorted by output price — the cheaper-capable options.
- LLaMA 4 ScoutMeta$0.30/M out
- Qwen 2.5 72BAlibaba$0.40/M out
- DeepSeek V4 FlashDeepSeek$0.60/M out
- GPT-4o miniOpenAI$0.60/M out
- LLaMA 4 MaverickMeta$0.65/M out
- Qwen 3 235B (MoE)Alibaba$1.82/M out
FAQ
How much does GPT-5.4 mini cost per token?
GPT-5.4 mini costs $0.75 per million input tokens and $4.50 per million output tokens (cached input $0.07/M), via OpenAI, as of 2026-07-20.
Is GPT-5.4 mini expensive?
At $4.50/M output tokens, GPT-5.4 mini is the 8th-cheapest of 9 priced tier-4 models in the Mintok catalog — about 590% above the tier median of $0.65/M.
What does a typical request with GPT-5.4 mini cost?
At list price, a 10K-token request (8K in / 2K out) with GPT-5.4 mini costs about $0.015, and 1,000 agent runs (~2K in / 500 out each) about $3.75.
What is GPT-5.4 mini's context window?
GPT-5.4 mini supports a 400,000-token context window.
What capability tier is GPT-5.4 mini?
GPT-5.4 mini sits at capability tier 4 of 8 on the Mintok scale (FAST size class).
Is GPT-5.4 mini open-source or proprietary?
GPT-5.4 mini is a proprietary model from OpenAI, accessed via API.
Put GPT-5.4 mini to work
Benchmark it on your prompts, or size a deployment and compare $/M-token against alternatives.
Pricing and specs are maintained by Mintok's catalog watchers from public sources. Not investment advice. Methodology.