Migrate off o4-mini
Deprecatedo4-mini is deprecated and shuts down on 23 Oct 2026. OpenAI's official replacement is GPT-5.6 Terra. The cheapest comparable model we track is Amazon Nova Lite (Amazon) at $0.105 per 1M tokens blended.
Last verified: 26 Sep 2026 · sourced from official provider documentation
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o4-mini → GPT-5.6 Terra
Moving to GPT-5.6 Terra means 2.3× more expensive ($1.93 → $4.50 /1M blended) and a larger context window (200K → 1.1M).
| Spec | o4-mini | GPT-5.6 Terra |
|---|---|---|
| Status | Deprecated | GA |
| Blended price /1M | $1.93 | $4.50 |
| Input / output /1M | $1.10 / $4.40 | $2 / $12 |
| Context window | 200K | 1.1M |
| Max output | 100.000 | 128.000 |
| Modality | text, image | text, image |
| Knowledge cutoff | 1 Jun 2024 | 16 Feb 2026 |
API string was o4-mini-2025-04-16 → switch to gpt-5.6-terra. See GPT-5.6 Terra's full spec sheet →
Budget-friendly replacements for o4-mini
Generally-available models that match o4-mini's capabilities (and at least half its 200K context), ranked by blended price. Every number is computed from official catalog prices.
| Model | Blended /1M | Input / output | Context |
|---|---|---|---|
| Amazon Nova Lite Amazon | $0.105 | $0.06 / $0.24 | 300K |
| Llama 4 Scout (17B-16E Instruct) Meta | $0.15 | $0.1 / $0.3 | 10M |
| Ministral 3 8B Mistral | $0.15 | $0.15 / $0.15 | 256K |
Migrating off o4-mini
What replaces o4-mini?
OpenAI's recommended migration for o4-mini is GPT-5.6 Terra. The cheapest comparable model in our catalog is Amazon Nova Lite (Amazon) at $0.105/1M blended.
When is o4-mini shut down?
o4-mini is deprecated and scheduled to shut down on 23 Oct 2026 (deprecated 22 Apr 2026). Migrate before that date to avoid a 404.
What is the cheapest alternative to o4-mini?
Amazon Nova Lite (Amazon) is the cheapest generally-available alternative we track that matches o4-mini's capabilities, at $0.06 per 1M input and $0.24 per 1M output tokens ($0.105/1M blended).
Browse the full deprecation watch → or see o4-mini's full spec sheet →
Get a heads-up before your model is retired
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The last few changes we caught — this is what lands in your inbox:
- DeprecatingGoogle re-pointed the Gemini 2.5 TTS migration path past the 3.1 preview and onto the new GA 3.8 TTS models
- New modelGemini 3.8 Flash TTS is GA - a flagship text-to-speech model at under half the audio rate of the preview it replaces, on a two-column price schedule
- New modelGemini 3.8 Flash-Lite TTS is GA - Google's cost-efficient TTS, which Google says was built to replace Gemini 3.1 Flash TTS
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