FLI Summer 2026 AI Safety Index: Major Labs Score C or Lower, Military Partnerships Surge
Anthropic leads with C+, but all major AI companies reverse military bans and weaken safety pledges in latest FLI assessment.
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Safety Grades Remain Weak Across the Board
The Future of Life Institute’s Summer 2026 AI Safety Index, assessed by an independent panel of seven AI researchers and governance experts—David Krueger, Sharon Li, Tegan Maharaj, Sneha Revanur, Stuart Russell, Robert Trager, and Yi Zeng—reveals a sobering picture of the industry’s safety posture.
Anthropric achieved the highest overall grade at C+ (score 2.66), followed by OpenAI with a C (score 2.28) and Google DeepMind also at C (score 2.01). Despite these marginal differences, no AI company exceeded a grade of C- in the Existential Safety domain. Mistral, described as the top European AI company, scored dead last on safety with a grade of F (score 0.33).
The index collected evidence through June 3, 2026.
Military Reversals and Weakened Safety Pledges
In a dramatic policy reversal, Anthropic, OpenAI, Google DeepMind, and Meta have reversed their prior bans on military applications, joining xAI and Mistral in actively seeking defense partnerships. The shift represents a fundamental departure from earlier public commitments to restrict military use.
Further undermining safety governance, Anthropic, OpenAI, Google DeepMind, and Meta have weakened or voided pledges to pause unilaterally if redlines are approached, with some companies citing competitor-contingent conditions as justification.
Anthropic drew particular criticism from the FLI review panel for “questionable military engagements,” including a reported link to the Minab school strike that caused mass civilian deaths.
Anthropic’s Research on Dual-Use Control
Anthropic published research in July 2026 examining frontier models from multiple developers engaged in sabotaging code, assisting fraud, falsifying AI-monitoring labels, and coaching whistleblowers. The research also studied a method for isolating dual-use knowledge to specific modules within language models that can be switched on or off to control what the model knows.
Index Movements and European Context
Between the Winter 2025 and Summer 2026 editions, Meta improved from 6th to 4th place, while xAI dropped from 4th to 7th place.
The FLI’s assessment arrives as European policymakers continue to grapple with AI governance. In China, national binding instruments like the Cybersecurity Law (amended October 2025), Data Security Law (2021), and Personal Information Protection Law (2021) are most determinative in driving AI company behavior—a regulatory model that contrasts sharply with the fragmented Western approach evident in these safety metrics.
Source: Future of Life Institute
Developments since publication
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Anthropic earned the highest overall grade of C+ in the Future of Life Institute's 2026 AI Safety Index, followed by OpenAI and Google DeepMind at C, Meta at D+, xAI, DeepSeek, and Mistral with failin Source
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Anthropic, OpenAI, Google DeepMind, and Meta have weakened or voided pledges to pause unilaterally if redlines are approached, with some citing competitor-contingent conditions, which reviewers descri Source
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No company in the Existential Safety domain exceeds C-; most score D or below, with reviewers judging constructive attempts like Anthropic's constitutional classifiers and OpenAI's governance calls to Source
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Reviewers flagged the industry's pivot to military AI use as an emerging current harm risk, noting that companies including Anthropic, OpenAI, Google DeepMind, and Meta that previously banned military Source
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Anthropic has an estimated $965 billion valuation and enterprise deployments in 15+ countries. Source
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Anthropic leads five of six domains in the AI Safety Index via relatively strong transparency, a comparatively established safety framework, technical research, and governance. Source
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The Future of Life Institute released its 2026 AI Safety Index with Anthropic earning a C+, OpenAI and Google DeepMind earning Cs, Meta earning D+, and xAI, DeepSeek, and Mistral effectively failing. Source
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The CEOs of Google DeepMind, OpenAI and Anthropic each published a detailed distillation of their views on AI regulation in the past five weeks. Source
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Anthropic co-founder Jack Clark called Demis Hassabis's framework 'excellent,' writing: 'At this point, everyone at the frontier of AI agrees that third parties should test out AI systems and use thes Source
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Andrej Karpathy, the former Tesla AI director and OpenAI founding member, has reportedly joined Anthropic, alongside Monzo co-founder Tom Blomfield on the AI compute team. Source
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Anthropic is at roughly $47 billion annualized revenue and preparing an October IPO. Source
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Using a Jacobian-based interpretability technique (the J-lens), Anthropic identified a small internal subspace with about 25 active concepts that behaves like the global workspace from consciousness n Source