Google Launches Gemini 3.6 Flash With Better Efficiency and Lower Costs While Teasing Cybersecurity Model and Gemini 4 Development

Jul 21, 2026
Ars Technica
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Summary

Google launches Gemini 3.6 Flash with 17% better token efficiency and lower API costs, while simultaneously unveiling a restricted cybersecurity AI model for governments and trusted partners, and confirming that next-generation Gemini 4 pre-training is already underway.

Key Points

  • Google is releasing Gemini 3.6 Flash, replacing the deprecated 3.5 Flash, with improved coding benchmarks, 17% better token efficiency, and a lower API output cost of $7.50 per million tokens.
  • A new cybersecurity-focused model, Gemini 3.5 Flash Cyber, is launching as a limited pilot exclusively for trusted partners and governments due to its dual-use potential for both finding and exploiting vulnerabilities.
  • Google confirms Gemini 3.5 Pro is still in testing with no firm release date, while pre-training for the next-generation Gemini 4 has already begun in what is described as a more ambitious effort than previous models.

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