Back to blog All New Releases Improvements Retired Filters 0 selected May.15 Retired Grok Code Fast 1 deprecated copilot May.12 Retired Synchronous SBOM API deprecated supply chain security May.08 Retired Upcoming deprecation of Grok Code Fast 1 copilot May.07 Retired Upcoming deprecation of GPT-4.…
… OpenAI has retired earlier models that violated Canadian privacy regulation, and now uses "a filtering tool to detect and mask personal information such as names or phone numbers in publicly accessible internet data and licensed datasets used to train its models," the Commissioner says. …
… In the end, the latest model ended up with specific instructions to avoid using these words unless absolutely necessary. …
… Hallucinations have been an ongoing problem for AI models, but OpenAI says its new GPT-5.5 Instant model has “significant improvements in factuality across the board.” The company claims that, based on “internal evaluations,” GPT-5.5 Instant produced “52.5% fewer hallucinated claims” than its Insta… …
… 58 Anthropic committed to preserve the weights of the retired models, describing it as a cautionary measure in case the models have morally relevant preferences or experiences affected by deprecation. The company also conducts "exit interviews" with models before their retirement. …
… The new model will limit follow-up questions and "gratuitous emojis" to make responses less cluttered. …
… The company has faced rebuttal from previous model withdrawal moves. When OpenAI withdrew its GPT-4o model, there was significant backlash from users who related to the model’s “personality.” GPT-4o affirmed users’ choices frequently and that made them feel a connection to that particular model. …
… It remains available through auto model selection. Auto model selection is built to match each request with the strongest model for the job, which means less time toggling settings and more time coding. …
… Just like Copilot cloud agent , you can now select a model when kicking off a task—Anthropic models for Claude, and OpenAI models for Codex—giving you access to the latest and most capable models as they become available. …
… Learn more To explore all models available in GitHub Copilot, see our documentation on models and get started with Copilot. …
