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.
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ByteDance Seed releases Seeduplex
ByteDance Seed releases the native full-duplex voice model Seeduplex and rolls it out across the Doubao app.
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.
Anthropic opens Claude Mythos Preview to Project Glasswing partners
Anthropic opened Claude Mythos Preview to a screened set of Project Glasswing partners for finding and fixing critical software vulnerabilities.
xAI releases Grok 4.20
xAI released Grok 4.20 with a published system card; an earlier draft entry for "Grok 4.2 (Feb 17, 2026)" had no verifiable official release record and has been corrected to the official one.
Google releases the Gemma 4 open model family
Google releases Gemma 4 for local inference, complex reasoning and agent workflows under the Apache 2.0 license.
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.
Court pauses federal restrictions on Anthropic
The U.S. District Court for the Northern District of California issued a preliminary injunction pausing the supply-chain-risk finding against Anthropic and the related directives.
Report finds China's AI comic-drama boom becoming a production race
An industry report says AI comic-drama costs have fallen to hundreds of yuan per minute as competition shifts toward output, cost and hit rate.
Xiaomi launches MiMo V2 Pro for complex agent workflows
Xiaomi launches its flagship MiMo V2 Pro through the API, with a 1M-token context window and hybrid attention for complex agent workflows.
Xiaomi launches MiMo V2 Omni multimodal agent model
Xiaomi launches MiMo V2 Omni through the API, unifying text, vision and speech perception with tool execution and a 256K context window.
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.
China's CNCERT warns of security risks in OpenClaw
China's national cyber emergency center flags prompt injection, unintended actions, malicious plugins and public exposure as OpenClaw risks.
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.
Anthropic sues the Trump administration
Anthropic filed suit in the U.S. District Court for the Northern District of California, challenging the supply-chain-risk finding and the related federal restrictions.
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.