New & deprecated LLM models
A monthly log of what launched and what's being retired across every major model provider — each with live API prices and benchmark scores, updated automatically.
This month · August 2026
Permalink →New models — August 2026
No new model releases recorded for August 2026 yet. This page fills in automatically as release dates land in the dataset.
Deprecated & sunsetting — August 2026
6 models with an upstream retirement or sunset date in August 2026. Plan migrations before the date to avoid broken calls.
| Model | Provider | Input / 1M | Output / 1M | Best score | Sunset date |
|---|---|---|---|---|---|
| claude-opus-4-1 | Anthropic | $15.00 | $75.00 | 73.3% | Retired5 Aug 2026 |
| gpt-5.2-chat-latest | OpenAI | $1.75 | $14.00 | 73.8% | Retired10 Aug 2026 |
| gpt-5.3-chat-latest | OpenAI | $1.75 | $14.00 | — | Retired10 Aug 2026 |
| mistral-medium-2505 | Mistral | $0.40 | $2.00 | 59.5% | Sunsetting31 Aug 2026 |
| mistral-medium-2508 | Mistral | $0.40 | $2.00 | 59.5% | Sunsetting31 Aug 2026 |
| mistral-medium-3-1-2508 | Mistral | $0.40 | $2.00 | — | Sunsetting31 Aug 2026 |
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Prices from the LLM API Pricing Index, synced daily. Release & benchmark data via Epoch AI (CC BY); deprecation dates from provider metadata. When a new model beats one you use, model recommendations surface it automatically at your token mix.
Track the models you actually use — not a list.
StackSpend connects read-only to your AI providers, flags deprecations before they break your calls, and surfaces cheaper equal-quality swaps from this same live dataset.