New & deprecated LLM modelsMarch 2026
In March 2026, 6 new models were released and 10 models were deprecated or scheduled to sunset. Newest release: Qwen/Qwen3.6-Plus.
New models — March 2026
6 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 |
|---|---|---|---|---|---|
| Qwen/Qwen3.6-Plus | Together AI | $0.50 | $3.00 | 57.9% | 31 Mar 2026 |
| GPT-5.4 Mini | OpenAI | $0.75 | $4.50 | 86.9% | 17 Mar 2026 |
| gpt-5.4-nano | OpenAI | $0.20 | $1.25 | 78.5% | 17 Mar 2026 |
| 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 |
| google/gemini-3.1-flash-lite | DeepInfra | $0.25 | $1.50 | 81.8% | 3 Mar 2026 |
Deprecated & sunsetting — March 2026
10 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 |
|---|---|---|---|---|---|
| meta-llama/llama-guard-4-12b | Groq | $0.20 | $0.20 | — | Retired5 Mar 2026 |
| meta-llama/Meta-Llama-3.1-8B-Instruct-Turbo | Together AI | $0.18 | $0.18 | — | Retired6 Mar 2026 |
| moonshotai/Kimi-K2-Instruct-0905 | Together AI | $1.00 | $3.00 | 59.1% | Retired6 Mar 2026 |
| gemini-3-pro-preview | Google (Gemini) | $2.00 | $12.00 | 72.9% | Retired9 Mar 2026 |
| meta-llama/llama-4-maverick-17b-128e-instruct | Groq | $0.20 | $0.60 | 67.0% | 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-turbo-preview | OpenAI | $10.00 | $30.00 | 46.6% | Retired26 Mar 2026 |
| gemini-2.5-flash-lite-preview-09-2025 | Google (Gemini) | $0.10 | $0.40 | — | Retired31 Mar 2026 |
| labs-devstral-small-2512 | Mistral | $0.10 | $0.30 | — | Retired31 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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