o1-pro

Deprecated reasoning expensive tier

Deprecated — shuts down Oct 23, 2026. Still purchasable until then, but the provider has announced end-of-life. Don't start new work on it. Migration target: GPT-5.6 Sol. Full deprecation status & replacements →

Availability: OpenAI's deprecations page names the bare o1-pro alias — not merely the o1-pro-2025-03-19 snapshot — in a shutdown row with an announced end of life of 2026-10-23, under the section 2026-04-22: Legacy GPT model snapshots. Named replacement: gpt-5.6-sol with reasoning.mode set to pro. Still sold per token at the price above until that date. Checked against OpenAI's deprecations page on 2026-08-24.

Today's price · per 1M tokens

Input

$150.00

per 1M tokens

Output

$600.00

per 1M tokens

Blended

$262.50

blended $/1M — 3:1 weighted input:output

Source: official OpenAI pricing · read Aug 24, 2026 MODELPRICEWATCH.COM · 2026-08-28

Price receipt

We read OpenAI's own pricing page on Aug 24, 2026 and found o1-pro listed with a price on the same row — that read is where the number above comes from, recorded as a new model. We keep the page text we read; its content hash is 38e408d34a.

Overview

o1 given more test-time compute to think harder per request, and the most expensive per-token SKU OpenAI has ever listed at $600 per million output tokens. 200,000 context window, 100,000 max output tokens, text + image input, text output, October 2023 knowledge cutoff. Responses API only. The default snapshot behind the alias is o1-pro-2025-03-19.

Capabilities

struck through = not supported

Input 2/5

Text ✓ Image ✓ Audio Video PDF

Output 1/5

Text ✓ Image Audio Video Embedding

Features 3/9

Prompt caching Reasoning ✓ Coding Fast inference Long context ✓ Open weights Multimodal ✓ Web search Realtime

Specifications

Provider: OpenAI
Context window: 200K tokens
Modality: text, image
Parameters: Proprietary
Open source: No — proprietary
Released: Mar 19, 2025
Status: Deprecated ends Oct 23, 2026
Last updated: Aug 24, 2026
Tags: reasoningmultimodal

Availability verified: Aug 24, 2026 — per OpenAI's own deprecation notice

Try on OpenAI Official pricing page

Cost calculator

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1K tokens (in): $0.150
1K tokens (out): $0.600
100K tokens (in): $15.00
100K tokens (out): $60.00
1M tokens (in): $150.00
1M tokens (out): $600.00
10M tokens (blended): $2625.00

Full calculator →

At a glance

$ per 1M tokens

Input: $150.00/M
Output: $600.00/M
Blended: $262.50/M
Context: 200K
Tier: expensive

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Price history

input $/1M

Last checked Aug 28, 2026 · every price links to the official provider pricing page

No price changes detected — this model's pricing has been stable since we began tracking it.

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