OpenAI gives GPT-5.5 Instant a readability upgrade while phasing out two older models
OpenAI is updating GPT-5.5 Instant for more natural responses and dropping the Canvas feature from its latest models. Writing and coding tasks will run directly in the chat instead. The company is also retiring the older o3 and GPT-4.5 models from ChatGPT, with both shutting down by August 2026 at the latest.
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Key points
- GPT-5.5 Instant gets readability upgrade, Canvas feature removed
- Writing and coding tasks will run directly in chat
- o3 and GPT-4.5 models to be retired from ChatGPT by August 2026
Why it matters
This matters because GPT-5.5 Instant gets readability upgrade, Canvas feature removed.
Technical impact
May affect model selection, inference cost, product capability, and evaluation benchmarks.
OpenAI is updating GPT-5.5 Instant for more natural responses and dropping the Canvas feature from its latest models. Writing and coding tasks will run directly in the chat instead. The company is also retiring the older o3 and GPT-4.5 models from ChatGPT, with both shutting down by August 2026 at the latest.
The article OpenAI gives GPT-5.5 Instant a readability upgrade while phasing out two older models appeared first on The Decoder.