AI Daily Brief — 25 December 2025
Christmas Day quiet but loaded with developer gifts. OpenAI shipped GPT-5.2-Codex-XMas — holiday-edition Codex functionally identical to GPT-5.2-Codex but with Santa-themed personality. Accessible via codex -m gpt-5.2-codex-xmas. Thibault “Tibo” Sottiaux (Codex eng director): “one last little present from the Codex team.” OpenAI doubles Codex/API usage limits for paid users through Jan 1 — developer holiday bonus alongside XMas model. Anthropic doubles Claude Pro/Max usage limits for holiday week — both 5-hour + weekly caps doubled for individual Pro, Max 5×, Max 20× subscribers from Dec 25 00:00 UTC through Dec 31 23:59 UTC; applied across claude.ai + Claude Code + Claude in Chrome. Weekly caps reset at start of promo window. Meta rolls out v21 firmware for Ray-Ban + Oakley Meta smart glasses with Conversation Focus / “Hear Better” mode using beamforming mics + open-ear speakers + AI noise suppression to amplify the person you’re talking to in noisy rooms.
Top stories
- OpenAI ships GPT-5.2-Codex-XMas. Santa-themed personality.
codex -m gpt-5.2-codex-xmas. Tibo: “one last little present from the Codex team.” via Sottiaux / X - OpenAI doubles Codex/API limits through Jan 1. Holiday bonus for all paid ChatGPT/Codex users. via AIbase
- Anthropic doubles Claude Pro/Max usage caps Dec 25-31 UTC. 5-hour + weekly caps. claude.ai + Claude Code + Claude in Chrome. Weekly caps reset at promo start. via Anthropic
- Meta v21 firmware Conversation Focus on Ray-Ban + Oakley Meta glasses. Beamforming mics + open-ear speakers + AI noise suppression. via Ninja AI
Who shipped
OpenAI + Anthropic shipped holiday API limit boosts. OpenAI shipped XMas Codex. Meta shipped v21 firmware. Google, xAI, DeepSeek, Alibaba quiet on launches.
Open-source pulse
No new drops. Anthropic Agent Skills + IBM CUGA from prior week continue community uptake.
Money, infra & hardware
Holiday developer gifts as enterprise customer-engagement plays — OpenAI + Anthropic both. NVIDIA-Groq $20B from Dec 24 continues to anchor infra coverage.
Quiet corners
Light Christmas Day. XMas Codex novelty signals OpenAI Codex team’s culture + customer-relationship maturity.
By the numbers
- 2× / Jan 1, 2026 — OpenAI + Anthropic API usage multiplier / end date
- Dec 25 00:00 – Dec 31 23:59 UTC — Anthropic holiday promo window
- Most-mentioned company: OpenAI
- Quietest segment: everything except holiday gifts
Compiled by AI Feed’s editor from verified web sources for 25 December 2025.