Google DeepMind Fast-Tracks Gemini 4 Release as AI Race Intensifies

Reviewed byNidhi Govil

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Google DeepMind chief Koray Kavukcuoglu confirmed Gemini 4 has entered post-training refinement and will launch much earlier than expected. The announcement comes as Google faces mounting pressure from OpenAI and Anthropic, who've released superior models while Google's promised Gemini 3.5 Pro remains unreleased.

Google DeepMind Accelerates Gemini 4 Timeline

Google DeepMind is racing to release its next flagship AI model, Gemini 4, with new leadership confirming the system has entered critical post-training refinement stages. Speaking at The Information's AI Agenda Live Summit, Koray Kavukcuoglu, who recently replaced founder Demis Hassabis as Google DeepMind chief, revealed the company plans to launch Gemini 4 "much earlier" than the end of 2026

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. Industry observers speculate this could mean an October release

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"Our intention is to, like -- as soon as possible -- to release an early post-training output because we see the results and we are excited," Kavukcuoglu stated, adding that Google would "continue the fast-paced iterations" following the initial launch

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. The post-training phase involves refining the base model through human feedback, reinforcement learning, and specialized data to improve reasoning, safety testing, and reliability

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. Internal testing is already underway, with Gemini 4 powering Google's Antigravity platform

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Growing Pressure from Rival AI Developers

The urgency behind the Gemini 4 release stems from intensifying competition in Google's AI development landscape. Google hasn't released a new flagship model since the Gemini 3 series in November 2025, creating a significant gap that rivals have exploited

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. OpenAI launched GPT-6 Astra on September 3, while Anthropic released Claude Fable 5.1 on September 1—both outperforming Gemini 3 and establishing a sizable lead

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Alphabet shares fell nearly 5% over two sessions as Meta Platforms gained momentum with its Muse AI agent during Meta's Connect event

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. When questioned about Google falling behind competitors, Kavukcuoglu maintained confidence: "In my mind, it's a certainty that we are always gonna be at the frontier"

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Source: 9to5Google

Source: 9to5Google

The Mystery of Gemini 3.5 Pro's Cancellation

A major question surrounding Google's AI strategy involves the fate of Gemini 3.5 Pro. CEO Sundar Pichai announced at the May 2026 I/O event that a major Gemini 3.5 Pro update would arrive in June, but the model was never rolled out

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. Kavukcuoglu explained that Google "took a little bit of a step back" to focus on introducing faster, less powerful Flash models instead

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The Wall Street Journal reported that Gemini 3.5 Pro was scrapped because internal candidates "weren't sufficiently better than the Flash series"

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. Instead, Google released four successive Flash models since May, culminating in Gemini 3.8 Flash on September 2

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. This week's conversation shed no light on whether Gemini 3.5 Pro will ever see release

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Suspected Secret Testing on Benchmarking Platform

Intriguing evidence suggests Google may already be testing Gemini 4 capabilities. A model appeared on the Arena benchmarking platform under the name "gemini-3.8-flash" with the internal codename Argon, which developers suspect is actually Google's next flagship AI model

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. Leaked benchmark results showed it outperformed GPT-6 Astra and Claude Fable 5.1 in coding, reasoning, and agentic tasks

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Source: Geeky Gadgets

Source: Geeky Gadgets

The mysterious model scored 88% on DeepSWE v1.1 for AI-agent coding tasks, 95.3% on Terminal-bench 2.1 for encoding capability, and 86.8% on OSWorld-2.0 for computer proficiency

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. Developers reported it has a 10 million-token input limit and 256,000-token output limit with persistent cross-session memory

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. Reported pricing stood at $2.25 per million input tokens and $11.25 per million output tokens, making it cheaper than competing frontier models

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Leadership Shakeup and Strategic Direction

Kavukcuoglu's comments marked his first public appearance since taking over DeepMind following the August departure of co-founder Demis Hassabis

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. Hassabis stepped down after announcing "great progress" was being made on Gemini 4

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. The leadership shakeup appears designed to return Google to a more consistent AI release timeline with faster iterative updates

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Google DeepMind announced on July 21 that it had begun "our most ambitious pre-training run yet, for Gemini 4," with CEO Sundar Pichai repeating that statement during the company's second-quarter earnings call

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. Jasjeet Sekhon, Google DeepMind's chief strategy officer, revealed at a Berkeley event that recursive self-improvement had become "a key component of the rationale behind massive AI investments," amid unverified claims that Gemini 4 pre-training benefited from an RSI closed loop

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Source: InfoWorld

Source: InfoWorld

Google plans to release Gemini 4 in stages, starting with an early version and then iterating based on user feedback rather than waiting for a more polished launch

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. On the topic of AGI, Kavukcuoglu suggested the conversation has shifted: "the conversation is more about are we able to build intelligent agents that we can trust"

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. This iterative approach signals Google's determination to regain competitive ground while maintaining safety standards in an increasingly crowded AI landscape dominated by OpenAI and Anthropic innovations.

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