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Google’s Gemini 3.5 Pro AI model remains unreleased past multiple deadlines, leading to a $425 billion decline in market value for Alphabet. The delay underscores the high stakes of AI development in 2026.
Google’s Gemini 3.5 Pro AI model has not been released despite multiple deadlines, resulting in a $425 billion loss in market capitalization for Alphabet. The delay, confirmed by reports from Bloomberg and other outlets, highlights the challenges in AI development and the impact on investor confidence in the company’s leadership in artificial intelligence.
On July 16, 2026, Bloomberg reported, citing multiple current and former Google employees, that the Gemini 3.5 Pro model is months behind schedule, primarily due to difficulties in improving coding capabilities, an area where competitors like OpenAI and Anthropic have gained an advantage. The model was initially announced at Google I/O on May 19, 2026, with a scheduled release in June, which was missed.
Following the report, Alphabet’s stock dropped by 4.4%, equating to roughly $200 billion in market value, after a prior $225 billion decline in late June linked to senior DeepMind researchers departing for competitors. Overall, the combined loss in market capitalization over this period is approximately $425 billion. Despite these market reactions, Google’s reported financials remain strong, with Q1 2026 revenue at $109.9 billion and Google Cloud growing 63% year-over-year to $20 billion.
Third-party reports suggest that Google may be discarding a nearly complete model and restarting pre-training on a native Gemini 3 foundation, citing reliability issues such as hallucination rates. However, Google has not confirmed these claims, and technical specifications like the 2-million-token context window or specific release dates remain unverified. The missed deadlines include the original June launch, a restated July window, and a widely-reported target of July 17, which has now passed without release.
Market Impact of AI Development Delays
The delay of Google’s Gemini 3.5 Pro underscores the high stakes of AI development in 2026, where market confidence is heavily influenced by the ability to deliver flagship models on schedule. The $425 billion market value loss illustrates how absent or delayed AI innovations can significantly affect investor sentiment, even when core financials remain strong. This situation emphasizes the importance of timely product launches in maintaining competitive positioning and investor trust in the rapidly evolving AI landscape.
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AI Race and Market Expectations in 2026
In 2026, AI development has become a critical battleground among tech giants, with companies like OpenAI, Anthropic, and Google vying for leadership through flagship models. Google announced Gemini 3.5 Pro at I/O in May, with high expectations for a June release. However, delays have become evident, compounded by departures from DeepMind and reports of internal challenges in improving coding capabilities. Meanwhile, competitors like GPT-5.6 Sol and Grok 4.5 launched publicly in early July, intensifying the pressure on Google to deliver its flagship model on time. The market’s reaction reflects a broader trend where the timing of AI launches directly influences valuation and competitive standing, especially as open-weight models and smaller competitors gain prominence.
“The model is months behind schedule, primarily over efforts to improve its coding capabilities, and a late-June training-data update produced disappointing results.”
— Bloomberg, Julia Love and Davey Alba
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Unconfirmed Technical Details and Future Timeline
Many specifics remain unconfirmed, including the exact technical specifications of the unreleased Gemini 3.5 Pro model, such as the context window size or the precise reasons for the delays. It is also unclear when Google will officially release the model or whether internal rebuilds and reliability issues will cause further postponements. The current status is that the deadlines have passed without a new date announced, and the internal development process appears to be ongoing but undisclosed.
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Next Steps for Google and AI Market Recovery
Google is expected to provide an official update on Gemini 3.5 Pro’s development timeline in the coming weeks. The company may also shift focus to shipping smaller, reliable models like Gemini 3.5 Flash, which are already available and competitive in certain benchmarks. Market watchers will closely monitor whether Google can recover investor confidence through timely launches or if delays will continue to impact its leadership position in AI. Additionally, the broader AI race will see increased scrutiny as competitors accelerate their own release schedules and open-weight models gain market share.
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Key Questions
Why has Google delayed the Gemini 3.5 Pro model?
According to reports, the delay is primarily due to difficulties in improving the model’s coding capabilities and reliability issues, including hallucination rates. Google has not officially confirmed these reasons.
How much has Google’s delay affected its market value?
Market estimates suggest approximately $425 billion in combined market value has been lost since late June, largely driven by investor reactions to the delay and internal challenges.
What are the implications for AI competition in 2026?
The delay highlights the importance of timely flagship releases; competitors like OpenAI and Anthropic have launched models, increasing pressure on Google to catch up, or risk losing leadership in AI innovation.
Will Google release Gemini 3.5 Pro soon?
There is no official date yet. Google is expected to update the market in the coming weeks, but delays could continue if internal issues persist.
What should investors watch for next?
Investors should monitor Google’s official statements, upcoming product launches, and how the company addresses internal development challenges amid ongoing AI competition.
Source: ThorstenMeyerAI.com
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