Roundup: Grok Build JSON output, Perplexity fully local on 24GB, Codex-Spark retired
FinanceYF5 · x · 2026-09-23
A roundup of product and model updates:
- Grok Build: MCP tools can now return structured JSON; cancellations notify the server to stop; memory manageable via /memory.
- Perplexity: Portable Computer runs fully locally on Windows machines with 24GB VRAM.
- Copilot: auto model selection now offers cost, quality, and speed tiers.
- GPT-5.3-Codex-Spark: retired on the 14th.
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