Migrate off o3-mini
Deprecatedo3-mini is deprecated and shuts down on 23 Oct 2026. OpenAI's official replacement is GPT-5.6 Sol. The cheapest comparable model we track is Llama 3.1 8B Instruct (Meta) at $0.022 per 1M tokens blended.
Last verified: 26 Sep 2026 · sourced from official provider documentation
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o3-mini → GPT-5.6 Sol
Moving to GPT-5.6 Sol means 4.2× more expensive ($1.93 → $8 /1M blended) and a larger context window (200K → 1.1M).
| Spec | o3-mini | GPT-5.6 Sol |
|---|---|---|
| Status | Deprecated | GA |
| Blended price /1M | $1.93 | $8 |
| Input / output /1M | $1.10 / $4.40 | $4 / $20 |
| Context window | 200K | 1.1M |
| Max output | 100.000 | 128.000 |
| Modality | text | text, image |
| Knowledge cutoff | 1 Oct 2023 | 16 Feb 2026 |
API string was o3-mini-2025-01-31 → switch to gpt-5.6-sol. See GPT-5.6 Sol's full spec sheet →
Budget-friendly replacements for o3-mini
Generally-available models that match o3-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 |
|---|---|---|---|
| Llama 3.1 8B Instruct Meta | $0.022 | $0.02 / $0.03 | 128K |
| Amazon Nova Micro Amazon | $0.061 | $0.035 / $0.14 | 128K |
| Command R7B Cohere | $0.066 | $0.037 / $0.15 | 128K |
Migrating off o3-mini
What replaces o3-mini?
OpenAI's recommended migration for o3-mini is GPT-5.6 Sol. The cheapest comparable model in our catalog is Llama 3.1 8B Instruct (Meta) at $0.022/1M blended.
When is o3-mini shut down?
o3-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 o3-mini?
Llama 3.1 8B Instruct (Meta) is the cheapest generally-available alternative we track that matches o3-mini's capabilities, at $0.02 per 1M input and $0.03 per 1M output tokens ($0.022/1M blended).
Browse the full deprecation watch → or see o3-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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