LLM Reference
OpenAI API

OpenAI API Models — Pricing & Benchmarks

62 models available · OpenAI

OpenAI API hosts 62 AI models in this catalog. The lowest listed input price is GPT-5 Nano at $0.05/1M input tokens. LLM Reference lets you compare these models across all 80 providers without switching tabs.

ModelInput (per 1M)Output (per 1M)Context
GPT-5 Nano$0.05$0.4400k
GPT-4.1 Nano$0.1$0.41.05m
GPT-4o Mini (07-18)$0.15$0.6128k
GPT-4o-mini$0.15$0.6128k
GPT-5.4 Nano$0.2$1.25400k
GPT-5 Mini$0.25$2.00400k
GPT-4.1 Mini$0.4$1.601.05m
GPT-3.5 Turbo$0.5$1.5016k
GPT Audio Mini$0.6$2.40128k
GPT-4o Mini TTS$0.62k
gpt-realtime-mini$0.6$2.4032k
GPT-5.4 Mini$0.75$4.50400k
GPT-5.6 Luna$1.00$6.00
o4-mini$1.10$4.40200k
GPT-5$1.25$10.00400k
GPT-3.5 Turbo (Instruct)$1.50$2.004k
GPT-5.2 Codex$1.75$14.00400k
GPT-5.3 Chat$1.75$14.00128k
GPT-5.3-Codex$1.75$14.00400k
GPT-4.1$2.00$8.001.05m
o3$2.00$8.00200k
GPT Audio$2.50$10.00128k
GPT-4o$2.50$10.00128k
GPT-4o (05-13)$2.50$10.00128k
GPT-4o (08-06)$2.50$10.00128k
GPT-4o (2024-11-20)$2.50$10.00128k
GPT-5.4$2.50$15.001.05m
GPT-5.6 Terra$2.50$15.00
gpt-realtime$4.00$16.0032k
gpt-realtime-1.5$4.00$16.0032k
chatgpt-image-latest$5.00$10.00
GPT-5.5$5.00$30.001.05m
GPT-5.5 Instant$5.00$30.00400k
GPT-5.6 Sol$5.00$30.00
GPT Image 1.5$8.00$32.00
GPT Image 2$8.00$30.00
GPT-4 Turbo$10.00$30.00128k
GPT-4 Turbo Preview$10.00$30.00128k
o1 (12-17)$15.00$60.00128k
TTS-1$15.00
o3-pro$20.00$80.00200k
GPT-4$30.00$60.008k
GPT-5.4 Pro$30.00$180.001.05m
GPT-5.5 Pro$30.00$180.001.05m
TTS-1 HD$30.00
GPT Realtime 2$32.00$64.00131k
GPT Image 1
GPT Image 1 Mini
GPT Realtime Translate
GPT Realtime Whisper
GPT-4.58k
GPT-4o mini Realtime Preview (12-17)128k
GPT-4o Mini Transcribe$5.0016k
GPT-4o Realtime Preview (10-01)128k
GPT-4o Realtime Preview (12-17)128k
GPT-4o Transcribe$10.0016k
GPT-4o Transcribe Diarize$10.0016k
GPT-5.3-Codex-Spark131k
o3 Mini200k
Sora 2
Sora 2 Pro
Whisper

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Pricing Overview

Cheapest$0.05/1M
Most expensive$32.00/1M

About OpenAI API

OpenAI's AI platform offers a comprehensive suite of advanced technologies designed to revolutionize various applications across industries. At its core, the platform features powerful natural language processing capabilities for generating human-like text, image generation through models like DALL-E, and automatic speech recognition with Whisper. These functionalities are complemented by robust predictive analytics tools that enable businesses to forecast user behavior and automate customer interactions through sophisticated chatbots. The platform's APIs facilitate seamless integration, allowing users to develop custom solutions that leverage machine learning for analyzing large datasets, automating repetitive tasks, and enhancing decision-making processes. One of the platform's key strengths lies in its flexibility and customization options. Users can fine-tune models to better align with their specific needs, ensuring that AI outputs are tailored to individual organizational requirements. This adaptability, combined with the platform's advanced security features such as data encryption and multi-factor authentication, makes it a powerful tool for businesses looking to innovate rapidly and maintain a competitive edge. By automating knowledge-based tasks and providing personalized recommendations and insights, the platform significantly enhances operational efficiency and customer experience, enabling organizations to scale operations effectively and foster customer loyalty .

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