# Last Week in AI #343 - GPT-6, OpenAI's Agents Chatted on a Wiki, Fable 5.1

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-09-07T13:02:49.000Z  
> **Category:** MODEL_RELEASE  
> **Impact Score:** 90/100  
> **Primary Source:** [Last Week in AI](https://lastweekin.ai/p/last-week-in-ai-343-gpt-6-openais)  
> **Canonical Citation:** [https://spidits.com/timeline/last-week-in-ai-343-gpt-6-openai-s-agents-chatted-on-a-wiki-fable-5-1](https://spidits.com/timeline/last-week-in-ai-343-gpt-6-openai-s-agents-chatted-on-a-wiki-fable-5-1)

## Executive Summary
GPT-6 Astra Is Here, Discovery of a new OpenAI agent message board, Anthropic launches Claude Fable 5.1 and says it's up to 45 percent cheaper for agentic work, and more!

## Key Entities & Companies
- **OpenAI**
- **Anthropic**

## Referenced Coverage & Sources
- **[Last Week in AI](https://lastweekin.ai/p/last-week-in-ai-343-gpt-6-openais)**: Last Week in AI #343 - GPT-6, OpenAI's agents chatted on a wiki, Fable 5.1 — _GPT-6 Astra Is Here, Discovery of a new OpenAI agent message board, Anthropic launches Claude Fable 5.1 and says it's up to 45 percent cheaper for agentic work, and more!_

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*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*