OpenAI’s 2025 pricing overhaul finally gives developers and AI enthusiasts a clear view of what building intelligent systems will cost — from text and image generation to real-time audio, video, and fine-tuning. For the first time, OpenAI has added an AgentKit pricing note, clarifying that users only pay for compute, data, and storage — no flat subscription or hidden agent fee.
AgentKit’s billing officially begins November 1, 2025, following a free launch period. During this time, anyone can build, deploy, and optimize agents using Agent Builder, ChatKit, and Evals, without charges. After that, pricing will remain usage-based — with free tiers such as 1 GB of ChatKit file/image storage per account, and only $0.10 per GB-day beyond that.
This flexible approach mirrors OpenAI’s general API model — letting hobbyists start small and enterprises scale big without unpredictable costs. Below is the complete 2025 pricing chart covering text, image, audio, and fine-tuning models — including the tiers that will apply when AgentKit’s billing starts later this year.
🧮 OpenAI 2025 Pricing Overview
Text Tokens (per 1M tokens)
| Model | Input | Cached Input | Output |
|---|---|---|---|
| gpt-5 | $1.25 | $0.125 | $10.00 |
| gpt-5-mini | $0.25 | $0.025 | $2.00 |
| gpt-5-nano | $0.05 | $0.005 | $0.40 |
| gpt-5-pro | $15.00 | - | $120.00 |
| gpt-4.1 | $2.00 | $0.50 | $8.00 |
| gpt-4.1-mini | $0.40 | $0.10 | $1.60 |
| gpt-4o | $2.50 | $1.25 | $10.00 |
| gpt-4o-mini | $0.15 | $0.075 | $0.60 |
| o1 | $15.00 | $7.50 | $60.00 |
| o1-pro | $150.00 | - | $600.00 |
| o3-pro | $20.00 | - | $80.00 |
| o3 | $2.00 | $0.50 | $8.00 |
| o4-mini | $1.10 | $0.275 | $4.40 |
Tip: Batch and Flex tiers offer additional discounts for non-urgent requests.
Image Tokens (per 1M tokens)
| Model | Input | Cached Input | Output |
|---|---|---|---|
| gpt-image-1 | $10.00 | $2.50 | $40.00 |
| gpt-image-1-mini | $2.50 | $0.25 | $8.00 |
Audio Tokens (per 1M tokens)
| Model | Input | Cached Input | Output |
|---|---|---|---|
| gpt-audio | $40.00 | - | $80.00 |
| gpt-audio-mini | $10.00 | - | $20.00 |
| gpt-4o-mini-transcribe | $3.00 | - | $0.003/min |
Video (per second)
| Model | Resolution | Price per Second |
|---|---|---|
| sora-2 | 720p | $0.10 |
| sora-2-pro | 720p / 1024p | $0.30–$0.50 |
Fine-Tuning (per 1M tokens)
| Model | Training | Input | Output |
|---|---|---|---|
| o4-mini-2025 | $100/hr | $4.00 | $16.00 |
| gpt-4.1 | $25.00 | $3.00 | $12.00 |
| gpt-4.1-mini | $5.00 | $0.80 | $3.20 |
Built-in Tools
| Tool | Cost |
|---|---|
| Code Interpreter | $0.03 / container |
| File Search Storage | $0.10 / GB per day (1GB free) |
| Web Search | $10.00 / 1k calls + token costs |
🧠 AgentKit Pricing
Build, deploy, and optimize production-grade agents using Agent Builder, ChatKit, and Evals. You pay only for the compute and data you actually use.
| Usage Meter | Free Tier | Beyond Free Tier |
|---|---|---|
| ChatKit File / Image Storage | 1 GB | $0.10 / GB-day |
Billing starts November 1, 2025 — no charges apply before that date.
Embeddings
| Model | Cost per 1M Tokens |
|---|---|
| text-embedding-3-small | $0.02 |
| text-embedding-3-large | $0.13 |
Moderation models remain free of charge ✌️
📘 Source: OpenAI Pricing (October 2025) | Compiled by Agent-Kits.com