Gemini 3.5 Pro: When Does It Release?
Google's next flagship is in limited preview. Here's the verified timeline, what's confirmed vs rumored, and how to use the Gemini models that are live today.
As of June 28, 2026, Gemini 3.5 Pro is only in limited preview on Vertex AI. At Google I/O (May 19), Sundar Pichai said it was in internal use and to 'give us until next month'. A July launch is rumored but unconfirmed by Google.
When will Gemini 3.5 Pro release?
The verified Gemini timeline leading up to 3.5 Pro.
Launched with a 1M-token context window (LMArena Elo 1501).
Released for complex, long-horizon agentic and multimodal coding.
Shipped at Google I/O to billions of users via the Gemini app, Search AI Mode and the API.
Google said the Pro model was in internal use and would arrive 'next month' (around June).
Several outlets report a slip to July 2026, but Google has not confirmed a date.
✅ Confirmed Gemini facts you can rely on
Official benchmarks for the Gemini models that have already shipped.
Gemini 3 Pro
Released Nov 18, 2025 · 1M context
- LMArena Elo · 1501
- GPQA Diamond · 91.9%
- Humanity's Last Exam · 37.5%
- MathArena Apex · 23.4%
- Context window · 1M
Gemini 3.5 Flash
GA May 19, 2026
- Terminal-Bench 2.1 · 76.2%
- MCP Atlas · 83.6%
- CharXiv Reasoning · 84.2%
- GDPval-AA · 1656 Elo
🔮 Rumored vs confirmed
What people expect from Gemini 3.5 Pro — and what Google has actually said.
2M-token context (rumored)
Widely expected to double Gemini 3 Pro's window, but Google has not confirmed Pro specs.
Deep Think reasoning (expected)
Anticipated for the Pro tier, but not officially detailed for 3.5 Pro.
July 2026 launch (rumored)
Reported by finance and insider accounts; Google declined to comment.
There is no Gemini 3.2
Google skipped 3.2 and moved straight to the 3.5 family — ignore any '3.2' claims.
Pricing, context window and benchmarks for Gemini 3.5 Pro are unofficial until Google publishes them. We'll update this page on launch.
Use Gemini on QCode today
You don't have to wait for 3.5 Pro to build with Google's models.
Gemini 3 Pro & 3.5 Flash
Both available now — 1M-context reasoning and fast multimodal work through one QCode key.
One key, three platforms
The same balance powers Claude, Codex and Gemini — switch models without re-subscribing.
3.5 Pro on launch day
We track Google's rollout and will enable Gemini 3.5 Pro for everyone as soon as it is broadly available.
Frequently asked questions
When will Gemini 3.5 Pro be released?
Google has not announced a public date. It is in enterprise preview on Vertex AI; at I/O (May 19, 2026) Google said it was in internal use and coming 'next month'. Outlets report a July 2026 slip, but that is unconfirmed.
Can I use Gemini 3.5 Pro on QCode now?
Not yet — it is not generally available from Google. You can use Gemini 3 Pro and Gemini 3.5 Flash on QCode today, and we will add 3.5 Pro the moment it is broadly released.
What is the difference between Gemini 3.5 Flash and 3.5 Pro?
Flash (GA May 19) is the fast, cost-efficient tier and is already available. Pro is the high-capability flagship still in preview. Flash benchmarks are public; Pro specs are not.
Is there a Gemini 3.2?
No. Google moved from the 3.1 series straight to 3.5; there is no official Gemini 3.2 release.
Build with Gemini today — and get 3.5 Pro on day one
Register now, use Gemini 3 Pro and 3.5 Flash, and we'll switch on 3.5 Pro the moment it launches.