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Google unveils Gemini 4 Argon, tops OpenAI and Claude

Google unveils Gemini 4 Argon, tops OpenAI and Claude

3 Key Points

  1. What happened

    Google announced Gemini 4 Argon on September 30, 2026, led by CEO Sundar Pichai, claiming 77.9% on DeepSWE v1.1 and 68.9% on Vals Index, edging past GPT-6 Astra and Claude Opus 5.5.

  2. Why it matters

    Pichai said he released Argon early because of widening debate over Google's next model, and thousands of Google employees already use it for coding, research, and writing, suggesting pressure to show results before rivals peak.

  3. What to watch

    Argon still trails GPT-6 Astra on FrontierSWE v2 (55.0% versus 65.5%) and Claude Sonnet 5.5 on Terminal Bench 4, so its lead depends on which tasks buyers actually run. Watch the paid API rollout, priced at $2 per 1M input tokens and $10 per 1M output tokens.

WHO IT HITSEnterprise AI buyers and platform teams choosing between Google, OpenAI, and Anthropic models now have a new benchmark leader on business-task suites like Vals Index (68.9%) and AutomationBench (77.5%), but engineers evaluating real coding pipelines should note Argon's weaker FrontierSWE v2 and Terminal Bench 4 results.

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Context & Analysis

Google's own benchmark disclosures show a model that wins broadly but not everywhere. Argon tops Vals Index (68.9%), Vals Finance Agent v2 (65.4%), and AutomationBench (51.3%), yet loses to GPT-6 Astra on FrontierSWE v2 (55.0% versus 65.5%) and to Claude Sonnet 5.5 on Terminal Bench 4. Pichai framed the launch as an early look, prompted by talk of Google's next model rather than by a fixed release calendar.

Beyond scores, Google points to internal deployment as proof: quantum algorithm optimization improved compute use by 40% against an existing research baseline, data center agents cut memory use by more than 300TiB with 500TiB to 1PiB expected, and Rust migration work on the libgav1 video decoder sped up 2.7x while keeping identical video output. Those are unusual disclosures that mix research claims with operational results.

The cybersecurity posture is the sharpest constraint. Because Argon can find, verify, and fix vulnerabilities autonomously, Google is gating access through Fairwind, participating in a US government pre-release review process, and citing a 0.7% attack success rate on Gray Swan's indirect prompt-injection benchmark. The outcome hinges on whether that caution holds as access widens to paid API and Google AI Ultra users, and on whether buyers trust Google's self-reported numbers over third-party tests.

FAQ
When can I use Gemini 4 Argon?
Google has not released Argon publicly yet; it is available through the Fairwind Program to trusted cyber defenders, with a wider rollout planned from paid API and Google AI Ultra users first.
How much will Gemini 4 Argon cost?
The planned list price is $2 per 1M input tokens and $10 per 1M output tokens, with a 95% discount on cached input tokens.
Does Gemini 4 Argon beat Claude and GPT-6 on every test?
No. It scored 77.9% on DeepSWE v1.1 and topped GPT-6 Astra and Claude Opus 5.5 on Vals Index and AutomationBench, but fell behind on FrontierSWE v2 and Terminal Bench 4.

Also reported by Latent Space

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