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OpenAI API Pricing

paidlast verified September 6, 2026official site ↗

At a glance

Usage-based pay-as-you-go per 1M tokens. Flagship models: GPT-4o ($2.50 input / $10.00 output), GPT-4o mini ($0.15 input / $0.60 output), OpenAI o1 ($15.00 input / $60.00 output), and OpenAI o3-mini ($1.10 input / $4.40 output). Features automatic Prompt Caching (50% discount on cache hits: $1.25/1M GPT-4o) and Batch API (50% discount on 24h async workloads). Supports Structured Outputs with 100% schema reliability, Realtime API (WebSocket/WebRTC voice), Vision, Whisper ($0.006/min), and text-embedding-3 ($0.02–$0.13/1M). SOC 2 Type II compliant with zero training on API data.

Free & cheaper Model Providers

same category, free plan or open-source license

ClaudeFree tier with core Claude access. Paid subscription plans include Claude Pro at $20/month ($17/month billed annually), Claude Max 5x at $100/month for 5x Pro usage limits, Claude Max 20x at $200/month for heavy agentic coding and power workflows, and Claude Team at $30/user/month ($25/user/month billed annually, 5-seat minimum). Enterprise tier provides custom scalable pricing, SAML SSO, and SCIM provisioning.CerebrasCerebras delivers high-throughput inference powered by its Wafer-Scale Engine (CS-3). It offers a free tier with $5 trial credits, a Developer pay-as-you-go tier with 10x rate limits and per-token pricing starting at $0.10/1M tokens, and custom Enterprise agreements with dedicated wafer hardware and guaranteed SLAs.ChatGPTChatGPT plans (vendor_documented, as-of 2026-09-14): Free; Go (~$8/mo US); Plus $20/mo; Pro from $100/mo (5×) and $200/mo (20×—new $200 sign-ups paused as of 2026-09-10); Business Standard $25/user/mo or $20/user/mo annual (Premium seats $125/$100 annual); Enterprise custom. Product URL: chatgpt.com. Former “Team” plan is now Business. Confirm geo-localized Go/Plus/Pro card amounts on https://chatgpt.com/pricing/.GroqGroq offers ultra-fast LPU inference for open-source AI models. It features a free prototyping tier with zero credit card required, pay-as-you-go developer pricing from $0.05/1M tokens with 50% prompt caching and batch discounts, and dedicated Enterprise LPU capacity.
OpenAI API overview →alternatives →review: 88/100 →

FAQ

How much does OpenAI API cost?

Usage-based pay-as-you-go per 1M tokens. Flagship models: GPT-4o ($2.50 input / $10.00 output), GPT-4o mini ($0.15 input / $0.60 output), OpenAI o1 ($15.00 input / $60.00 output), and OpenAI o3-mini ($1.10 input / $4.40 output). Features automatic Prompt Caching (50% discount on cache hits: $1.25/1M GPT-4o) and Batch API (50% discount on 24h async workloads). Supports Structured Outputs with 100% schema reliability, Realtime API (WebSocket/WebRTC voice), Vision, Whisper ($0.006/min), and text-embedding-3 ($0.02–$0.13/1M). SOC 2 Type II compliant with zero training on API data. Paid pricing starts at $0.006/min.

Does OpenAI API have a free plan?

No — OpenAI API has no free plan; it is a paid tool.

What are free or cheaper OpenAI API alternatives?

Claude, Cerebras, ChatGPT are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.