Foundations for the Following Week
The week of December 8-14, 2025 sets the stage for major announcements in the following week: GPT-5.2 arrives with record-breaking performance, Codex integrates with Linear, and OpenAI publishes its report on the state of enterprise AI.
GPT-5.2: The New Frontier Model
December 11, 2025 โ OpenAI launches GPT-5.2, a new frontier model with significant improvements in knowledge, reasoning, and coding.
Benchmarks
GPT-5.2 sets new standards on key benchmarks:
| Benchmark | GPT-5.2 | Notes |
|---|---|---|
| GDPval | 70.9% | Measures performance on real-world tasks |
| SWE-Bench | 80% | Bug resolution on real GitHub repos |
| Reasoning | +15% vs GPT-5.1 | Reasoning improvement |
API Pricing
| Type | Price |
|---|---|
| Input | $1.75 / million tokens |
| Output | $14 / million tokens |
What This Changes
GPT-5.2 introduces several architectural improvements:
- Native compaction โ Better handling of long contexts
- Enhanced reasoning โ More consistent on complex tasks
- Advanced coding โ Foundation for GPT-5.2-Codex (launched the following week)
Availability
| Platform | Status |
|---|---|
| ChatGPT Plus/Pro | Available |
| API | Available |
| Codex CLI | CLI 0.71.0+ |
Codex for Linear: Issue Automation
December 4, 2025 โ Codex integrates with Linear to enable task automation directly from issues.
How It Works
The integration allows assigning or mentioning @Codex in Linear issues to trigger automatic cloud tasks.
| Feature | Description |
|---|---|
| Assignment | Assign an issue to @Codex |
| Mention | Mention @Codex in a comment |
| Progress updates | Automatic issue updates |
| PR links | Link to generated PR |
Typical Workflow
- Create an issue in Linear describing the bug or feature
- Assign to @Codex or mention in comments
- Codex analyzes the issue and repo context
- Cloud execution with status updates
- PR generated and automatically linked to the issue
CLI Version
The Linear integration is available since CLI 0.65.0 (December 4, 2025), which also introduces:
- Codex Max as the default model
/resumecommand to continue previous work- Enhanced Markdown tooltips
๐ Codex Changelog
State of Enterprise AI 2025
December 8, 2025 โ OpenAI publishes its annual report on enterprise AI adoption.
๐ Full report
Key Trends
The report analyzes enterprise AI adoption in 2025:
| Trend | Insight |
|---|---|
| Adoption | Massive acceleration post-ChatGPT Enterprise |
| Use cases | Customer support, coding, document analysis |
| ROI | First measurable results |
| Challenges | Security, integration, training |
ChatGPT Enterprise
The report highlights ChatGPT Enterprise use cases:
- Customer support โ Reduced response times
- Documentation โ Generation and maintenance
- Onboarding โ Training new employees
- Code review โ Assistance for dev teams
Vision
OpenAI positions 2026 as the year of enterprise AI maturity, with more autonomous agents and deeper integrations.
Codex CLI Evolutions
CLI 0.72.0 (December 13)
| Feature | Description |
|---|---|
| Remote compact | Enabled for API-key users |
| Windows QoL | PowerShell improvements |
| Extended sandbox | Expanded safe command list |
| MCP visibility | Better TUI status |
CLI 0.71.0 (December 11)
Introduction of GPT-5.2 as the frontier model in Codex CLI.
CLI 0.69.0 (December 10)
| Feature | Description |
|---|---|
| Skills SKILL.md | Content injection when selected |
| MCP in-session login | MCP connection during session |
| Typed API config | Preserves comments and order |
| Rate-limit warnings | Clearer warnings |
CLI 0.66.0 (December 9)
| Feature | Description |
|---|---|
| Execpolicy | TUI whitelisting, sandbox proposals |
| Windows fixes | Fixed unified exec crashes |
| Linux signing | Artifact signing via sigstore |
๐ Full changelog
What This Means
For Developers
This week sets the stage for GPT-5.2-Codex:
- GPT-5.2 lays the foundation with better coding performance
- Linear integration shows the direction: Codex as a workflow tool
- CLI updates consolidate stability and developer experience
For Enterprises
The Enterprise AI report confirms that adoption is in an acceleration phase. Companies are moving from experimentation to large-scale deployment.
For the Ecosystem
The Linear integration foreshadows other upcoming integrations. Codex is evolving from a coding tool to a complete automation platform.
Sources
- GPT-5.2 โ Official announcement
๐ฌ๐ง GPT-5.2 โ Annonce officielle
- GPT-5.2 โ X Thread
๐ฌ๐ง GPT-5.2 โ Thread X
- State of Enterprise AI 2025
๐ฌ๐ง State of Enterprise AI 2025
- Codex Changelog
๐ฌ๐ง Codex Changelog