Theo - t3․gg Everything you need to know about GPT-5 (+ mini and nano) | Theo - t3․gg
Sep 14, 2025
The launch of GPT-5 takes center stage, showcasing its impressive features and pricing strategies. The conversation dives into the shift in training practices, focusing on refining data for better summarization. Notably, safety measures are evolving from simple refusals to generating useful outputs. The behavioral advances of GPT-5 reveal significant improvements, enhancing its intelligence and making it a safer, more effective AI tool for various applications.
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GPT-5's Competitive Token Pricing
- Theo highlights pricing of $1.25 per million input and $10 per million output tokens.
- This makes GPT-5 far cheaper than comparable models while remaining powerful.
Shift Cheap Workloads To Nano
- Start using GPT-5 Nano for cheap analysis tasks to cut costs.
- Theo suggests swapping many workloads to Nano due to its low price and solid quality.
Massive Context And Output Limits
- Theo reports GPT-5 has a 400,000-token input context and can output up to 128,000 tokens.
- This enables far longer interactions and massive single-request outputs.