Breaking

Leaked Gemini 3.5 Pro Specs Point to 2-Million-Token Context Window, but No Official Confirmation From Google

July 15, 2026 at 11:45 EDT

Foundation Models
Software Dev & Coding

Reports circulating among developers suggest Google's next flagship model, Gemini 3.5 Pro, will ship with a 2-million-token context window—large enough to hold entire codebases, sprawling document sets and months of conversation history in a single prompt. Google has not confirmed any of these details.

Unverified Leak · Gemini 3.5 Pro

A rumored 2-million-token window reignites the context-length race

Developer leaks describe Google's next flagship holding entire codebases in a single prompt — roughly double Anthropic's models. Google has confirmed none of it.

rumored context tokens (unconfirmed)

64K

leaked output token limit

$250

floated Ultra plan, per month

The context-window race (rumored figures)

Reported maximum input context, in million tokens

2.0M

Gemini 3.5 Pro
(leak)

~1.5M

GPT-5.6
(attributed)

~1.0M

Anthropic
(current)

Google's official docs still list 1M+ tokens as the headline — no 2M tier is documented.

Enthusiasts see

Load an entire codebase in one prompt
Whole document sets & long histories
Less reliance on RAG, more in-context learning

Skeptics warn

"A mirage" — length ≠ usable context
Retrieval degrades on multi-fact recall
Dumping everything into context is costly

The "no-RAG" experiment

One shared analysis discarded retrieval and dumped everything into context. The reported result:

3×

latency

8×

cost

↓

quality degraded

Leak, not fact

No official announcement, pricing or benchmarks exist. A July 17, 2026 launch (July 24 fallback) has been floated. Until Google publishes specs, the 2M headline remains an expectation, not a verified capability.

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