OpenAI: GPT-5 Nano

390.63K Context
0.05/M Input Tokens
0.4/M Output Tokens

OpenAI
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13 Oct, 2025

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.

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OpenAI $0 input tokens $0 output tokens $0.001/M request tokens

gpt-4.1-mini

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GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard instruct ...

OpenAI 1023.02K context $0.4/M input tokens $1.6/M output tokens

GPT-4o mini

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GPT-4o mini is OpenAI's newest model after GPT-4 Omni, supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more afford ...

OpenAI 125K context $0.15/M input tokens $0.6/M output tokens $0.007/M image tokens

GPT-4o

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GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of GPT-4 Turbo while being twi ...

OpenAI 125K context $2.5/M input tokens $10/M output tokens $0.004/M image tokens

OpenAI: ChatGPT-4o

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Dynamic model continuously updated to the current version of GPT-4o in ChatGPT. Intended for research and evaluation. Note: This model is currently experimental and not suitable fo ...

OpenAI 125K context $5/M input tokens $15/M output tokens $0.007/M image tokens

OpenAI: GPT-3.5 Turbo 16k (older v1106)

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An older GPT-3.5 Turbo model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Training data: up to Sep 2021. ...

OpenAI 16K context $1/M input tokens $2/M output tokens

OpenAI: GPT-5 Nano

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