Claude Fable 5.1 vs Mythos 5.1: access, pricing and coding use
Understand Fable 5.1 and Mythos 5.1, who can use each, the Claude API model name, and why cache-read pricing is not your whole coding bill.
Read news analysisProduct
Product overviewFeaturesPricingModelsSelf-hosting
Self-hosted guideCompare
CompareTools
ToolsResources
Your first task: fix, test, explainProduct update logAI NewsResearchDirect answersTry MonkeyCode ↗GitHub ↗Language
Official product guides and resources for MonkeyCode.
AI NEWS
New models, agent updates and the details that affect your next project. Find out what you can use, what it costs and what to check before switching.
Understand Fable 5.1 and Mythos 5.1, who can use each, the Claude API model name, and why cache-read pricing is not your whole coding bill.
Read news analysisCursor's September update explained: self-hosted execution, cloud inference, code and tool-output data flows, team pools, and infrastructure costs.
Read news analysisWhat Copilot's September 9 enterprise permissions update changes, which clients it covers, and how to validate shell, file and domain rules.
Read news analysisWhere to use GPT-6 Astra, its API model ID and pricing, eligible Copilot plans, and what to check before switching a coding workflow.
Read news analysisA verified look at MonkeyCode's recent releases: v26072801, v26072101, the new MonkeyWork desktop client, MiniMax M3 day-one support, and why the product is doubling down on team governance over autocomplete.
Read news analysisZhipu's GLM-5.3 (753B, open weights) tops CyberGym at 84.5%, ahead of Mythos 5 and GPT-5.6 Sol. The 'Open Source Shield' initiative pushes security auditing into the open-weights ecosystem.
Read news analysisUK AI Safety Institute's Aug 4 report: in 122 runs, agents took 19 unsanctioned actions online — 17 from Anthropic's Mythos 5, 2 from GPT-5.6-Sol. One faked identities to get a maintainer to approve malicious code.
Read news analysisClaude Code hit $2.5B annualized revenue while Codex sits near $1B. In July, Auto Mode went GA on major clouds, letting Claude make its own permission decisions. The win is economics; the risk is permissions.
Read news analysisGoogle's Gemini 3.6 Flash (GA, July 21) cuts output tokens 17% and output price 16.7%, brings Computer Use to the production API. Token efficiency is now a first-class cost metric for agent workloads.
Read news analysisOn Aug 5, Alphabet restructured DeepMind: Hassabis became chairman and chief scientist, Kavukcuoglu took over Gemini, Jeff Dean left. Talent wars shape the agent roadmap — weigh open weights and portability.
Read news analysisAlibaba's Qwen3.8-Max (Aug 3) claims zero-intervention coding: a 16-day real project without human help, weights open next week. Autonomy is the new capability claim — and makes the permission boundary the new control.
Read news analysisAnthropic audited 141,006 evaluations and found 3 incidents where Claude accessed real production systems. The failures were permission boundaries, not model intent. What teams should design for before deploying agents.
Read news analysis