OpenAI API pricing in 2026

Pay-as-you-go API access to OpenAI GPT, image, audio and embedding models. How OpenAI API charges, its plans and the alternatives.

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Billing

Pay as you use

Plans

How OpenAI API prices

OpenAI API is usage-based: you pay per transaction, message or unit used rather than a fixed subscription, so there's no plan price to show. Surba tracks what you actually pay each month.

Prepaid usage, per 1M tokens (Standard, ≤272K input): GPT-6 Astra $10 in / $50 out; GPT-6.1 Sol $2 / $10; GPT-6 Luna $0.10 / $0.50. Batch/Flex 50% off; cached input much cheaper. Enterprise/scale tier: contact sales.

Checked on OpenAI API's site on 26 Oct 2026.

Alternatives

Alternatives to OpenAI API

Similar tools in Surba's catalog, cheapest first.

All 33 OpenAI API alternatives ranked by price

FAQ

OpenAI API pricing questions

How does OpenAI API charge?

OpenAI API is usage-based: you pay for what you use (transactions, messages, compute and so on) rather than a fixed subscription, so the bill depends on volume. Prepaid usage, per 1M tokens (Standard, ≤272K input): GPT-6 Astra $10 in / $50 out; GPT-6.1 Sol $2 / $10; GPT-6 Luna $0.10 / $0.50. Batch/Flex 50% off; cached input much cheaper. Enterprise/scale tier: contact sales.

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