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UK AI Security Institute: Mythos, GPT-5.5 show cyber gains, token limits

The UK's AI Security Institute has assessed new AI models, noting significant advancements in cybersecurity capabilities for both Mythos and GPT-5.5. Researchers found that the upper limits of these models are constrained by token usage rather than inherent ability, with a capability doubling time estimated at 4.5 months. Separately, Palantir CEO Alex Karp criticized Germany's reluctance to adopt Palantir's software and urged Europe to prioritize proven Ukrainian defense technology. AI

影响 New AI models demonstrate significant gains in cybersecurity capabilities, with rapid doubling times suggesting accelerated development.

排序理由 The cluster contains findings from the UK's AI Security Institute on new AI models, which constitutes research.

在 Mastodon — sigmoid.social 阅读 →

AI 生成摘要 · Google Gemini · 来自 7 个来源。 我们如何撰写摘要 →

UK AI Security Institute: Mythos, GPT-5.5 show cyber gains, token limits

报道来源 [7]

  1. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    @matthew_berman on YT! We only have 2 years... https:// youtu.be/ak6fQ2Yjwy0?si=Dmc9X1 41PU-dlNNi # AI news # Cybersecurity # Anthropic # Mythos Context: # Asch

    @matthew_berman on YT! We only have 2 years... https:// youtu.be/ak6fQ2Yjwy0?si=Dmc9X1 41PU-dlNNi # AI news # Cybersecurity # Anthropic # Mythos Context: # Aschenbrenner letter https:// situational-awareness.ai 5/15/2026

  2. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    @ emollick The UK’s state AI Security institute findings on latest AI models: 1) Mythos is a big gain in cyber capabilities. But so is GPT-5.5 2) It is hard to

    @ emollick The UK’s state AI Security institute findings on latest AI models: 1) Mythos is a big gain in cyber capabilities. But so is GPT-5.5 2) It is hard to establish an upper bound on Mythos/GPT-5.5, which appear to be limited by tokens used, rather than ability. 3) Capabilit…

  3. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    @natebjones # AI News 📰 # Otd # AgenticAI The Trillion Dollar Agentic Workflow Opportunity Is Here https:// youtu.be/jwtpMSRAPAQ?si=O0L-If rn8lovzBa4 5/14/2026

    @natebjones # AI News 📰 # Otd # AgenticAI The Trillion Dollar Agentic Workflow Opportunity Is Here https:// youtu.be/jwtpMSRAPAQ?si=O0L-If rn8lovzBa4 5/14/2026

  4. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    @matthew_berman on YT! We only have 2 years... https:// youtu.be/ak6fQ2Yjwy0?si=Dmc9X1 41PU-dlNNi # AI news # Cybersecurity # Anthropic # Mythos Context: # Asch

    @matthew_berman on YT! We only have 2 years... https:// youtu.be/ak6fQ2Yjwy0?si=Dmc9X1 41PU-dlNNi # AI news # Cybersecurity # Anthropic # Mythos Context: # Aschenbrenner letter https:// situational-awareness.ai 5/15/2026

  5. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    # Ai News # Ukraine NewsInsideUkraine https:// t.me/NewsInsideUkraine/744785 Palantir CEO Alex Karp delivered a sharp rebuke to Germany, criticizing the Bundesw

    # Ai News # Ukraine NewsInsideUkraine https:// t.me/NewsInsideUkraine/744785 Palantir CEO Alex Karp delivered a sharp rebuke to Germany, criticizing the Bundeswehr's refusal to integrate Palantir's software and urging Europe to buy battle-tested Ukrainian defense technology inste…

  6. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    @ emollick The UK’s state # AI Security iIstitute findings on latest AI models: 1) Mythos is a big gain in cyber capabilities. But so is GPT-5.5 2) It is hard t

    @ emollick The UK’s state # AI Security iIstitute findings on latest AI models: 1) Mythos is a big gain in cyber capabilities. But so is GPT-5.5 2) It is hard to establish an upper bound on Mythos/GPT-5.5, which appear to be limited by tokens used, rather than ability. 3) Capabil…

  7. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    @matthewberman on YT! Everyone's getting hacked # AI # Cybersecurity # Mythos 5/13/2036 https:// youtu.be/hAzhVloGkOw?si=03S2wO Es3_iflQzp

    @matthewberman on YT! Everyone's getting hacked # AI # Cybersecurity # Mythos 5/13/2036 https:// youtu.be/hAzhVloGkOw?si=03S2wO Es3_iflQzp