How much does OpenAI o1 cost?

As of May 2026, OpenAI o1 plans start at $20/mo and scale across 2 tiers. OpenAI o1 does not have a free plan.

Does OpenAI o1 offer a free plan?

As of May 2026, OpenAI o1 does not have a free tier. The lowest-cost option is $20/mo. A free trial may be available — check the official site.

What pricing model does OpenAI o1 use?

As of May 2026, OpenAI o1 uses a Flat Rate pricing model. Fixed monthly fee — cost does not scale with team size or usage.

Are there cheaper alternatives?

Yes. Hugging Face (from $9/mo), Grok (from $16/mo), Gemini Advanced (from $19.99/mo) offer lower starting prices in the same category.

Does OpenAI o1 offer a free trial?

OpenAI o1 does not have a free plan. However, most large language models tools offer a free trial — check the official site for the current trial length (typically 14–30 days).

Home›Tools›Large Language Models›OpenAI o1›Pricing

OpenAI o1 Pricing Plans and Tiers 2026

Q: Is OpenAI o1 worth the price?

OpenAI o1 offers 20 features including Chain-of-thought reasoning, PhD-level science, Advanced math. With a 4.6/5 rating, most users find good value: its starting price of $20/mo is above the Large Language Models category average of $14/mo.

OpenAI's reasoning model - thinks step-by-step before answering. Best for math, science, complex coding.

Large Language ModelsFlat RatePrice verified May 14, 2026From $20/mo

·2 plans · ★ 4.6/5

Compare with others →Alternatives to OpenAI o1 →

Full Review

Plans Analysis Worth It?Price History Alternatives FAQ

All Plans & Pricing

Plus

$20/month

Best for: $20/month gets you o1 access (limited), o1-mini included

✓o1 access (limited)
✓o1-mini included

Start Plan →

Pro

$200/month

Best for: $200/month gets you Unlimited o1, o1 pro mode

✓Unlimited o1
✓o1 pro mode

Start Plan →

Pricing Analysis

Overview

OpenAI o1 - OpenAI's reasoning model - thinks step-by-step before answering. Starts at $20/month (Plus) with o1 access (limited), o1-mini included. Priced near the $17/mo category average, OpenAI o1 competes directly with OpenAI API and ChatGPT on value. Watch the 10x price jump from Plus ($20) to Pro ($200) - map out which features you actually need before committing to upper tiers.

Cost Per User

Plus$20/month

Flat rate: cost doesn't scale with team size

Pro$200/month

Flat rate: cost doesn't scale with team size

Which Plan Is Right for You?

Plus$20/month

$20/month gets you o1 access (limited), o1-mini included. Entry point - standard pricing for llm.

Pro$200/month

$200/month gets you Unlimited o1, o1 pro mode. 900% more than Plus - justified only if you need the extras.

vs. Category Average

OpenAI o1$20/mo

Category avg$14/mo

43% above the large language models average

Our Verdict

Rated 4.5/5, OpenAI o1 at $20/mo is a mainstream choice in its category. Start with Plus ($20/month). Upgrade to Pro only after you've confirmed Unlimited o1 will get used.

Is OpenAI o1 Worth the Price?

Strengths

5 points

1Best reasoning & math performance
2PhD-level science benchmark leader
3Chain-of-thought transparency
4Excellent for complex coding
5Strong safety evaluation

Considerations

2 points

1Expensive - $200/mo for unlimited
2Slower than GPT-4o (thinks longer)

Ideal For

Math, science, and complex reasoning

Which plan fits you

Plus — $20/month gets you o1 access (limited), o1-mini included.

Pro — $200/month gets you Unlimited o1, o1 pro mode.

Pricing Takeaway

★ 4.6/5

Rated 4.5/5, OpenAI o1 at $20/mo is a mainstream choice in its category. Start with Plus ($20/month). Upgrade to Pro only after you've confirmed Unlimited o1 will get used.

43% above category avgCategory avg: $14/mo