OpenAI releases GPT-Realtime-2
OpenAI releases GPT-Realtime-2 through the Realtime API.
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OpenAI announces paid-plan Codex reset during launch week
OpenAI announces a Codex limit reset for all paid plans after a strong product-launch week, though some users later report unchanged weekly windows.
OpenAI shuts down Sora web and mobile apps
OpenAI ends the Sora web and mobile services on April 26, with the API scheduled to close on September 24.
OpenAI launches GPT-5.5
OpenAI launches GPT-5.5 for agentic coding, knowledge work and scientific research; the model first becomes available in ChatGPT and Codex, enters the API the following day and supports a context window of more than 1 million tokens.
4M milestone reset
At 4M active users, the product lead announced a reset within hours; the reset was subsequently delivered.
OpenAI releases ChatGPT Images 2.0
OpenAI released ChatGPT Images 2.0 and made the GPT Image 2 generation-and-editing model available in its official model documentation.
Reset after a ten-minute incident
After a roughly ten-minute partial outage recovered, the product lead announced a reset that was subsequently delivered.
OpenAI resets limits across Codex plans for its first anniversary
To mark Codex's first anniversary, the Codex lead announces a reset across all plans.
OpenAI issues another Codex reset after 3M milestone and plan launch
OpenAI gives Codex users another usage reset after the 3 million-user milestone and launch of a new $100 subscription tier.
OpenAI adds a $100 monthly ChatGPT Pro tier
OpenAI adds a $100 Pro tier between $20 Plus and $200 Pro, with GPT-5.4 Pro access and revised Codex usage allowances.
3M weekly users and the million-user pledge
At 3M weekly Codex users, an immediate reset came with a pledge to reset at every additional 1M until 10M.
OpenAI resets all Codex plans during unexplained usage spike
After Codex dashboards show an unexplained surge to usage caps, OpenAI removes abusive accounts and resets limits across every plan.
OpenAI resets Codex limits to promote new plugins
During a Codex plugin launch, OpenAI resets usage across every plan to encourage more users to try the new plugins.
OpenAI resets Codex limits after GPU capacity recovers
After stability problems caused by GPU-resource pressure recover, the Codex lead says the reset button has been pressed and the change should appear later.
OpenAI resets Codex limits after a request-hang incident
After requests that received no response stabilize for several hours, the Codex lead announces a reset that is later delivered.
Plus and Pro reset during usage-drain investigation
Although no widespread fault had been established, enough reports prompted a Plus and Pro reset while the investigation continued.
OpenAI releases GPT-5.4
OpenAI releases GPT-5.4 for ChatGPT, the API and Codex, combining reasoning, coding, tool use and professional work with documents, spreadsheets and presentations in one flagship model.
OpenAI resets Codex limits after double-usage promotion failure
After about 9% of Plus and Pro users miss a double-usage promotion, OpenAI fixes the issue and resets Codex limits for both plans.
Reset after false cyber-risk blocks
After requests were incorrectly blocked as high cyber risk for about eight minutes, the team announced a reset that was subsequently delivered.
OpenAI open-sources Symphony orchestration specification
Symphony turns project boards such as Linear into a control plane where coding agents claim tasks and deliver work from isolated environments.