AI Model Watch
Models / OpenAI

o3-pro

Deprecated

Higher-compute o3 variant. Snapshot o3-pro-2025-06-10 shuts down 2026-12-11, replaced by gpt-5.5-pro. Context/max-output assumed same as o3 (200K/100K). Price FILLED 2026-08-08 from developers.openai.com/api/docs/pricing (Standard tier), which still lists deprecated models: $20 in / no cached-input rate published / $80 out. The prior note claimed the price was "not on the current pricing summary" — that was a claim about which page had been opened, not about the provider.

o3-pro by OpenAI costs $20 per 1M input tokens and $80 per 1M output tokens ($35/1M blended), with a 200K (200.000-token) context window. It is deprecated, shutting down 11 Dec 2026; the recommended replacement is GPT-5.5 Pro.

Last verified: 13 Aug 2026 · sourced from official provider documentation

Lifecycle warning

This model is deprecated. Scheduled shutdown: 11 Dec 2026. Recommended migration: GPT-5.5 Pro.

Read the o3-pro migration guide → replacement & cheapest alternatives

Provider
OpenAI
Status
Deprecated
Input price
$20 / 1M tokens
Output price
$80 / 1M tokens
Cached input
—
Blended price
$35 / 1M tokens
Context window
200.000 tokens (200K)
Max output
100.000 tokens
Modality
text, image
Open weights
No — API only
Knowledge cutoff
2024-06-01
Released
10 Jun 2025
API string
o3-pro-2025-06-10

Source: OpenAI official documentation ↗

See also

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FAQ

o3-pro — questions & answers

How much does o3-pro cost?

o3-pro is priced at $20 per 1M input tokens and $80 per 1M output tokens ($35/1M blended at a 3:1 input-to-output ratio).

What is the context window of o3-pro?

o3-pro has a 200.000-token context window (200K), with up to 100.000 output tokens per request.

Is o3-pro being deprecated or retired?

o3-pro is deprecated. Its scheduled shutdown date is 11 Dec 2026. The recommended migration is GPT-5.5 Pro.

Does o3-pro support image or vision input?

Yes — o3-pro accepts image input. Listed modalities: text, image.

Can I self-host o3-pro?

No — o3-pro is proprietary. Its weights are not publicly released, so it is available only through OpenAI's API (or hosted partners), not for self-hosting.

What is the API model string for o3-pro?

The API model identifier for o3-pro is "o3-pro-2025-06-10" when calling OpenAI's API.

What is o3-pro's knowledge cutoff?

o3-pro's training knowledge cutoff is 1 Jun 2024.