How much does OpenAI API cost?

As of May 2026, OpenAI API offers 1 pricing tier. Contact sales for pricing details.

Does OpenAI API offer a free plan?

As of May 2026, OpenAI API does not have a free tier. A free trial may be available — check the official site.

What pricing model does OpenAI API use?

As of May 2026, OpenAI API uses a Token-Based pricing model. You pay per token consumed — ideal for variable API workloads.

Are there cheaper alternatives?

Yes. ChatGPT (from $20/mo), Claude (from $20/mo), Google Gemini (from $20/mo) offer lower starting prices in the same category.

Does OpenAI API offer a free trial?

OpenAI API 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 API›Pricing

OpenAI API Pricing Plans and Tiers 2026

Q: Is OpenAI API worth the price?

OpenAI API offers 12 features including GPT-4o access, DALL-E 3, Whisper speech-to-text. With a 4.7/5 rating, most users find good value.

Developer API platform providing access to GPT-4o, DALL-E 3, Whisper, embeddings, and fine-tuning capabilities.

Large Language ModelsToken-BasedPrice verified May 15, 2026

·1 plans · ★ 4.7/5

Compare with others →Alternatives to OpenAI API →

Full Review

Plans Analysis Worth It?Price History Alternatives FAQ

All Plans & Pricing

Pay per use

$0.75/1M tokens

Best for: You get Token-based billing, Free trial credit, All models available

✓Token-based billing
✓Free trial credit
✓All models available

Get Started Free →

API Token Pricing

GPT-5.4

Input: $2.5Output: $15per 1M tokens

GPT-5.4 mini

Input: $0.75Output: $4.5per 1M tokens

Pricing Analysis

Overview

OpenAI API - Developer API platform providing access to GPT-4o, DALL-E 3, Whisper, embeddings, and fine-tuning capabilities. OpenAI API is free to use with Token-based billing, Free trial credit, All models available. While most llm tools start at ~$18/mo, OpenAI API's free tier lets you skip the cost entirely until you need more.

Which Plan Is Right for You?

Pay per useFREE

You get Token-based billing, Free trial credit, All models available. Good enough for solo use and evaluation.

vs. Category Average

OpenAI APIFree

Category avg$15/mo

Free tier vs. $15/mo average

Our Verdict

OpenAI API scores 4.8/5 and offers a free plan - that's a rare combination. The free tier with Token-based billing and Free trial credit is more than enough to validate whether it fits your workflow.

Is OpenAI API Worth the Price?

Strengths

5 points

1Highly rated (4.7/5 on G2)
212 key features including GPT-4o access and DALL-E 3
3Large user base (2M+)
4API access for custom integrations
5AI-powered features built in

Considerations

3 points

1No free plan available
2AI output quality varies by use case
3Limited plan options

Ideal For

AI developers & startups

Which plan fits you

Pay per use — You get Token-based billing, Free trial credit, All models available.

Pricing Takeaway

★ 4.7/5

OpenAI API scores 4.8/5 and offers a free plan - that's a rare combination. The free tier with Token-based billing and Free trial credit is more than enough to validate whether it fits your workflow.