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Google DeepMind

Big Sleep

Current

2.0

shipped 3w · 15 Oct 2026

Autonomous vulnerability research agent finding zero-day exploits in real-world software.

Specification

Mission
Zero-day vulnerability discovery
First Exploit
SQLite unexploited stack buffer underflow
Collaboration
Project Zero & Google DeepMind

Modalities: code, binary analysis, vulnerability

Big Sleep — 6-Axis Capability Radar

HEURISTIC ESTIMATE
Big Sleep86 IDX
Preset genre reference

These scores are rough estimates from category presets, catalog specs, and keywords in release notes. They are not measured benchmarks or test results. Catalog prices and context windows may refer to a different model variant.

REASONINGCODE / AGENTMULTIMODALTHROUGHPUTEFFICIENCYCONTEXT

Hover or tap an axis to inspect its estimate

Reasoning & Logic
97+5
Code & Tool Agency
99+5
Multimodal Fidelity
73+8
Speed & Throughput
82EVEN
Cost & Openness
74EVEN
Context & Horizon
88EVEN
RELEASE CADENCE EXPLORER

Shipping Cadence & Next Drop Forecast

WITHIN ESTIMATED INTERVAL

This is an uncalibrated estimate from limited catalog history. A ratio of 100% means one estimated interval has elapsed; it is not a probability. Next-release dates and versions remain unconfirmed.

Average Release Cadence

713 days

±7d variance
Elapsed Since Last Drop

27 days

Shipped on 2026-10-15
Annual Velocity

0.5 drops/yr

1 observed intervals · limited history
Cadence Estimate

2028-09-27

Next version: Unannounced
Elapsed / average interval: 4%96% remaining in cycle

Optional AI cadence commentary

Summarize the recorded history and its limitations. Future releases remain unconfirmed.

AUTONOMOUS ARCHITECTURAL DIFF ENGINE

Model Version Capability Delta

AI-synthesized architectural jumps, parameter scaling, and capability shifts across releases.

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Ready to analyze Big Sleep v1 vs v2.0

Click Synthesize Diff to analyze latent space adjustments, resolution leaps, parameter shifts, and migration caveats via Gemini 3.8 Flash.

Version history

2 releases tracked

  1. 2.0

    major15 Oct 2026 · 3w

    Big Sleep 2.0 discovers autonomous zero-days in kernel subsystems and opens automated patch validation.

    • First AI agent capable of end-to-end vulnerability reproduction, triage, and verifiable patch drafting.
    • Expanded from single user-space libraries to complex operating system kernel modules.
    Recorded announcementGeneral link · release source needed ↗

  2. 1

    major1 Nov 2024 · 2y

    Big Sleep discovers first-ever in-the-wild zero-day in widely used open source software (SQLite).

    • Evolved from Project Naptime into a specialized LLM-assisted vulnerability discovery agent.
    • Discovered stack buffer underflow in SQLite before it reached any production release.
    • Simulates human security researchers using specialized debuggers and sanitizers.
    Recorded announcementSpecific source link · unverified ↗

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