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As of October 17, 2026, the OpenAI API charges $0.10 (GPT-6 Luna) to $10 (GPT-6 Astra) per 1M input tokens and $0.50 (GPT-6 Luna) to $50 (GPT-6 Astra) per 1M output tokens.
Provider list prices rechecked October 17, 2026; these are not live checkout quotes. FX rates, tax, regional availability and usage quotas may differ.
Plans
Plans
API list prices per million tokens in the displayed currency. Sub-cent cache prices retain their decimal precision; confirm model- and region-specific terms with the provider.
Model
Input
Output
Cached
GPT-6 AstraLargest GPT-6 model for the hardest tasks.
$10.00
$50.00
$1.00
GPT-6.1 SolDefault model for coding, agents and everyday work.
$2.00
$10.00
$0.10
GPT-6 LunaVery cheap for simple tasks at volume.
$0.10
$0.50
$0.01
Assessment
Strengths and catches
Our assessment, kept separate from provider claims.
Strengths
Large selection of text, image, audio, and realtime models.
Mature SDKs, tools, and structured outputs.
Usage-based billing suits variable workloads.
Catches
Costs and rate limits depend on model and usage tier.
No ChatGPT subscription is included; interface and operations must be built separately.
Limits
Limits and conditions
Usage limit
Rate limits differ by model and usage tier.
Reset
Requests and tokens are limited in quantized time windows.
Restriction
API usage is billed separately from ChatGPT subscriptions.
Platform
The OpenAI platform is used through the API and official SDKs.
Ecosystem
The platform provides Responses, tools, Batch, fine-tuning, and realtime.
FAQ
OpenAI API: common questions
How much does the OpenAI API charge per token?
As of October 17, 2026, the OpenAI API charges $0.10 (GPT-6 Luna) to $10 (GPT-6 Astra) per 1M input tokens and $0.50 (GPT-6 Luna) to $50 (GPT-6 Astra) per 1M output tokens.
When were these OpenAI API prices last checked?
On October 17, 2026. Check status: verified. Source: developers.openai.com.