GPT-5.4 Mini
Shutting down. GPT-5.4 Mini shuts down on Azure AI Foundry on Sep 21, 2027.
11 mo- Next shutdown
- 342 daysSep 21, 2027 · Azure AI Foundry
- Arena Text
- 1,447#43 of 128 · Arena
- GPQA Diamond
- 86.9%#50 of 108 · Epoch AI
- List price · $ per 1M
- $0.75 in $4.50 outOpenAI API · cached input $0.075
- Context window
- 400KMax output 128K tokens
Dates on every platform
2 listings · a floor is the earliest possible date
| Platform | Model ID and status | Deprecated | Shuts down | Replacement |
|---|---|---|---|---|
| OpenAI APIOpenAI: List models (GET /v1/models) (opens in a new tab) · checked Oct 14, 2026 | gpt-5.4-miniActive · also gpt-5.4-mini-2026-03-17 | – | None set | – |
| Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026 | gpt-5.4-mini:2026-03-17Active | – | 11 mo | – |
What breaks when you move off GPT-5.4 Mini
No breaking changes are recorded for GPT-5.4 Mini.
Intelligence
Third-party results, credited below
| Benchmark | Publisher | Score | Rank | Published |
|---|---|---|---|---|
| Arena Text | Arena | 1,447 ± 2 | #43 of 128 | Oct 8, 2026 |
| GPQA Diamond | Epoch AI | 86.9% ± 2.4% | #50 of 108 | Aug 7, 2026 |
| Arena WebDev | Arena | 1,397 ± 3 | #47 of 69 | Oct 8, 2026 |
| FrontierMath Tier 4 | Epoch AI | 9.8% ± 4.7% | #50 of 58 | Jun 12, 2026 |
| FrontierMath Tiers 1-3 | Epoch AI | 51.2% ± 3.0% | #46 of 71 | Jun 12, 2026 |
| OTIS Mock AIME 2024-2025 | Epoch AI | 88.9% ± 4.7% | #45 of 105 | Aug 7, 2026 |
| SimpleQA Verified | Epoch AI | 29.4% ± 1.4% | #56 of 68 | Aug 27, 2026 |
Arena (arena.ai), https://arena.ai/leaderboard
Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].
List prices
$ per 1M tokens, with each price’s source
| Platform | Input | Cached | Output | In effect | Source |
|---|---|---|---|---|---|
OpenAI APIgpt-5.4-mini | $0.75 | $0.075 | $4.50 | Oct 14, 2026Current · Batch and Flex bill less; Fast mode bills more. | OpenAI: Pricing (opens in a new tab) |
Azure AI Foundrygpt-5.4-mini:2026-03-17 | $0.75 | $0.075 | $4.50 | Mar 17, 2026Current · Global Standard rate from the US East 2 price list. | Microsoft: Azure Retail Prices API (Foundry Models, US East 2) (opens in a new tab) |