Claude Fable 5 vs GPT 5.5: Is this why the Trump admin banned one and not the other?

Here's how Anthropic and OpenAI's most powerful AI models stack up.
Decrypt

OpenAI's GPT-5.5 Cyber AI Beats Anthropic's Banned Mythos Model—And Nobody's Shutting It Down

GPT-5.5 Cyber tops the CyberGym leaderboard as Anthropic's best models sit offline under a Trump administration export ban.

Surprise upset: GPT-5.5 beats Claude Fable 5 on brutal new Agents’ Last Exam benchmark

The victory of GPT-5.5 aligns with recent third-party analysis suggesting that OpenAI's models are currently superior at strictly adhering to multi-part, complex prompts.
PCMag

Gemini 3.5 Flash Is the Fastest AI Coding Model I've Used...and Extremely Error-Prone

Gemini 3.5 Flash is shockingly fast at generating code and spinning up agents, but that speed comes at a cost: sloppy ...
PCMag on MSN

I Tried Anthropic's Forbidden Fable 5 AI Before the US Government Shut It Down

Anthropic's most powerful model ever, Fable 5, disappeared days after launch. I got to test its capabilities while it was ...
Tech Times

OpenAI Silently Rolled GPT-5.6 to Some Codex Users: A Hidden Prompt Exposes the Swap

GPT-5.6 was already running in Codex for some users before OpenAI’s government-approved preview opened to partners. A ...

Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached

Anthropic's new Claude Fable 5 is the same base model as Mythos but with guardrails attached ...

OpenAI's new GPT-5.5-Cyber tops Claude Mythos 5 in vulnerability benchmark0 0

OpenAI is rolling out the full, limited-release version of GPT-5.5-Cyber—a specialized AI model that outperforms its ...
techtimes

OpenAI Cerebras Bet Spawns Jalapeño Chip as GPT-5.6 Faces Government Gate

OpenAI launched its first model on non-Nvidia hardware in February, slashing AI coding response times from seconds to milliseconds — and in less than five months, that experiment has produced a ...