GPT-5.4
The production workhorse of the GPT-5 line in 2026; cheaper than 5.5 with near-flagship quality. 90% cached-input discount.
GPT-5.4 strengths
- Excellent price-to-performance
- Strong reasoning and coding
- 1M context
- Mature ecosystem and tooling
Pricing & context
| Context window | ~1M tokens (922K input, 128K output) |
| Input price /1M | $2.50 |
| Output price /1M | $15.00 |
| Modalities | text, image |
Cost guide: a typical call of ~10K input + 2K output tokens runs roughly $2.50 × 0.01 + $15.00 × 0.002 — worth modelling against cheaper tiers before committing high-volume traffic.
When to choose GPT-5.4
GPT-5.4 is best for Most production apps wanting near-flagship quality at roughly half the flagship price. If your workload is more cost-sensitive, weigh it against Llama 4 Scout (~$0.08 (varies by host) input /1M) first.
GPT-5.4 FAQ
How much does GPT-5.4 cost?
GPT-5.4 is priced at $2.50 per 1M input tokens and $15.00 per 1M output tokens (public API list price), with a ~1M tokens (922K input, 128K output) context window.
What is GPT-5.4 best for?
GPT-5.4 by OpenAI is best for Most production apps wanting near-flagship quality at roughly half the flagship price.
Is GPT-5.4 multimodal?
GPT-5.4 supports text, image.
Tools that use GPT-5.4
Other models
All models →| 01 | GPT-5.5 | OpenAI | $5.00 | → |
| 02 | GPT-5.4 mini | OpenAI | $0.75 | → |
| 03 | Claude Opus 4.8 | Anthropic | $5.00 | → |
| 04 | Claude Sonnet 4.6 | Anthropic | $3.00 | → |