AI · alternatives · 2026

24 alternatives to Instant-GPT
World's fastest way to access GPT-4 on any websites
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Instant-GPT launched in 2023; newer entries below may have overtaken it.
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Monetise your GPTs with in-chat payments in the OpenAI Store
2024 · its alternatives →
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2023 · sagittarius.greg.technology · its alternatives →
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GPT‑5.5 Instant▲196Smarter, more personal answers as ChatGPT's new default
May 2026 · openai.com · its alternatives →
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Fast and efficient models optimized for coding and subagents
Mar 2026 · openai.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →