The Gemini 3.5 Pro delay is now official. Google missed CEO Sundar Pichai’s public promise to ship the model in June 2026, pushing the general availability (GA) launch to sometime in July. For Pakistani developers and software houses building on Google’s AI stack, this matters more than a simple date slip.
What Sundar Pichai Promised at Google I/O
At Google I/O on May 19, 2026, Sundar Pichai introduced Gemini 3.5 Pro to a packed audience. He said: “give us until next month to get it to you.” That was a June commitment. When asked about general availability, the audience audibly groaned. That reaction tells you something: expectations had already been tempered by Google’s track record in 2026.
This is Google’s second major AI delivery miss this year. Gemini Ultra 1.5 was delayed by three months in 2026. Gemini 3.5 Pro missed its June launch target and is now expected to reach general availability in July, according to a Business Insider report. Google has attributed the delay to addressing token efficiency issues flagged by early testers and incorporating lessons from the Gemini 3.5 Flash rollout.
The Specs Google Promised
The excitement around Gemini 3.5 Pro is real. Its headline features are a 2-million-token context window, the largest of any production frontier model, double the 1M on Gemini 3.5 Flash, and a built-in Deep Think reasoning mode for the hardest scientific, mathematical and coding problems.
A token is roughly a word or part of a word that an AI reads or writes. A 2-million-token context window means the model can read and reason over a truly huge amount of text in one go. At 2M tokens, the model can ingest entire codebases, multi-year financial records, extended research corpora, or hours of video in a single prompt, a capability that matters enormously for legal, financial, and scientific enterprise applications.
Deep Think is Gemini 3.5 Pro’s extended reasoning mode, equivalent in concept to Claude’s extended thinking or OpenAI’s o-series reasoning. Deep Think will be gated behind Google’s Ultra subscription tier at $250 per month, making it the most expensive consumer-facing AI subscription in the market.
On pricing, the expected API cost is significant. Pricing is set at roughly $15 per million input tokens and $60 per million output tokens, approximately ten times the cost of Gemini 3.5 Flash. Official benchmarks and pricing have not been released. One report cited internal data suggesting 10-15 point SWE-bench Verified gains over the 3.1 generation, but that is unverified, and reports expect pricing around ten times Gemini 3.5 Flash. Treat these figures as expectations, not confirmed facts, until Google publishes its official model card.
Where the Model Stands Right Now
As of June 29, 2026, Gemini 3.5 Pro remains in limited preview for select Vertex AI enterprise customers. Google is targeting general availability in July 2026, based on a report from a source familiar with the matter.
The reported delay has not been officially confirmed by Google. A company spokesperson declined to comment when asked about the revised schedule. Meanwhile, Gemini 3.5 Flash is already available as the public-facing model in the 3.5 family, and it can handle most everyday AI tasks well.
For enterprise access, Google runs its AI models through Vertex AI, its cloud platform for deploying AI in production. Developers can also experiment with Gemini models through Google AI Studio, the official developer playground for the Gemini API.
The Talent Exodus from Google DeepMind
The Gemini 3.5 Pro delay comes alongside a worrying people story. The delay arrives alongside an unsettling personnel signal. In the week of June 21-27, four senior Gemini researchers announced they were leaving Google for Anthropic, following a broader pattern of talent movement away from the company’s AI division.
Reports suggest Google’s AI coding team has lost six researchers over the past five months to competitors including Meta, OpenAI, and Anthropic. The talent departures are a warning signal, not noise. When the engineers who built the foundational architectures leave for competitors during the same week as a flagship model launch, it raises a structural question about whether the organization that ships Gemini 3.5 Pro is the same caliber as the organization that conceived it.
Whatever the individual reasons, the aggregate effect is clear: Anthropic gains researchers who worked directly on Gemini’s architecture. Those researchers will influence Claude’s next generation.
Why This Matters for Pakistani Developers
Pakistan’s IT and IT-enabled services exports reached $3.39 billion during July to March FY2025-26, recording a 20 percent year-on-year increase. Monthly IT exports rose to $413 million in March 2026, marking the second-highest monthly export figure in the country’s history. A large and growing slice of this work uses AI APIs, including Gemini, to build products for international clients.
Programs like AI Seekho 2026 aim to train over 100,000 Pakistanis to build with AI. The program introduces participants to building software using AI tools and natural language. Participants build using tools like Google AI Studio and other generative AI platforms, focusing on real-world applications and problem-solving. For this growing community, a missed Gemini deadline creates real uncertainty in product roadmaps.
The cost factor also matters. At $60 per 1M output tokens, a production workload that burns 10M output tokens per day costs $600 daily. Before committing to Gemini 3.5 Pro, confirm that the 2M window is genuinely necessary and that the unit economics work at that price point. At Pakistani rupee exchange rates, this is a serious budget decision for any local startup or software house.
What Pakistani Developers Should Do Right Now
- Keep building on stable models. Until Gemini 3.5 Pro reaches general availability, Gemini 3.1 Pro remains Google’s GA flagship. Use it and Gemini 3.5 Flash for production work today.
- Do not delay your roadmap for July. Do not rebuild your architecture around a July date. Google has missed two major delivery targets this year. July 2026 is the current guidance, not a commitment.
- Check your token costs carefully. The expected $60 per million output tokens is roughly 10x higher than Flash. Run the numbers in PKR before building any product that depends on Pro’s 2M context window.
- Watch for the official model card. The 2M context and Deep Think mode are official announcements; benchmarks and pricing are not, and circulating performance figures are unverified. Wait for Google to publish the final numbers.
- Consider hedging with other APIs. Until Gemini’s GA cadence is reliable, single-vendor dependence carries schedule risk. Explore alternatives like Claude or GPT-5.5 for critical workloads.
Frequently Asked Questions
Why did the Gemini 3.5 Pro delay happen?
Token efficiency issues surfaced during Flash early testing. Gemini 3.5 Pro prioritizes long-context coding tasks and Deep Think reasoning at scale, and those require more refinement time than Flash’s consumer-optimized profile. Google wanted to fix these issues before a wide release.
When will Gemini 3.5 Pro actually launch?
As of June 29, 2026, the model remains in limited preview for select Vertex AI enterprise customers, and Google is targeting general availability in July 2026. For now, Gemini 3.5 Pro has no confirmed public launch date.
Is the $60 per million token price confirmed?
Reports expect roughly ten times Gemini 3.5 Flash, about $15 input and $60 output per million tokens, but this is unconfirmed and should not be relied on. Google will announce official pricing when the model reaches general availability.
Can Pakistani users access the Deep Think mode?
Deep Think, the extended-reasoning mode, is gated to Google’s $250 per month Ultra tier, the most expensive consumer AI subscription on the market. Whether the Google AI Ultra subscription plan is directly available for billing in Pakistan is still unclear. Developers can access Gemini models through the API via Vertex AI regardless of consumer subscription tiers.