New & deprecated LLM modelsMarch 2026
In March 2026, 2 new models were released and 4 models were deprecated or scheduled to sunset. Newest release: gpt-5.4-pro.
New models — March 2026
2 models with a public release date in March 2026, joined to live list prices and benchmark scores.
| Model | Provider | Input / 1M | Output / 1M | Best score | Released |
|---|---|---|---|---|---|
| gpt-5.4-pro | OpenAI | $30.00 | $180.00 | 94.6% | 5 Mar 2026 |
| GPT-5.4 | OpenAI | $2.50 | $15.00 | 76.9% | 5 Mar 2026 |
Deprecated & sunsetting — March 2026
4 models with an upstream retirement or sunset date in March 2026. Plan migrations before the date to avoid broken calls.
| Model | Provider | Input / 1M | Output / 1M | Best score | Sunset date |
|---|---|---|---|---|---|
| gemini-3-pro-preview | Google (Gemini) | $2.00 | $12.00 | 72.9% | Retired9 Mar 2026 |
| gpt-4-0125-preview | OpenAI | $10.00 | $30.00 | 46.6% | Retired26 Mar 2026 |
| gpt-4-0314 | OpenAI | $30.00 | $60.00 | 46.6% | Retired26 Mar 2026 |
| gpt-4-1106-preview | OpenAI | $10.00 | $30.00 | 46.6% | Retired26 Mar 2026 |
Prices from the LLM API Pricing Index, synced daily. Release & benchmark data via Epoch AI (CC BY); deprecation dates from provider metadata. New models are those with a public release date this month that appear in the tracked price catalogue.
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