Gemini 4 Flash-Lite rumor window
official, rumor, unpublished
As of 2026-10-20, Google's model page, pricing page and changelog have no Gemini 4 Flash-Lite model and no gemini-4-flash-lite id. The Gemini 4 line officially has only Gemini 4 Argon (gemini-4-argon), GA on 2026-10-13, at an official price per 1M tokens of $2.00 input through 2026-11-30 and $4.00 from 2026-12-01, $10.00/$20.00 output. The Flash-Lite models in service today are Gemini 3.5 Flash-Lite (GA 2026-07-21, official price per 1M tokens $0.30 input, $2.50 output) and Gemini 3.1 Flash-Lite (GA 2026-05-07, official price per 1M tokens $0.25 input, $0.50 audio, $1.50 output). The September window of 2026-09 was community rumor only; Google never confirmed it. QCode does not currently offer the Gemini series; please use Claude, GPT or Chinese models.
Updated 2026-10-20
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Four things you can already separate
Flash-Lite Google actually shipped
The 2026-07-21 changelog entry reads Gemini 3.6 Flash and Gemini 3.5 Flash-Lite generally available (GA). That SKU is a product. It is not Gemini 4. Official price: $0.30 input, $2.50 output per 1M tokens.
Confirmed: Gemini 4 is Argon only
Google has officially announced one Gemini 4 model: Gemini 4 Argon (gemini-4-argon), GA on 2026-10-13, at an official price of $2.00 input through 2026-11-30 and $4.00 from 2026-12-01, $10.00/$20.00 output. What shipped is Argon, and it is not a Flash-Lite SKU date: the official docs list no Gemini 4 Flash-Lite model.
September Flash-Lite / October Pro
As of 2026-10-20 the official changelog has no Gemini 4 Flash-Lite and no Gemini 4 Pro release entry. Around 2026-09-07 several accounts shared one leak slide: Flash-Lite this month, Pro in October. That is a rumor, not a changelog.
Name, price, API id
As of 2026-10-20, Google's model page, pricing page and changelog have no gemini-4-flash-lite id and no price. Gemini 4 is officially only Gemini 4 Argon. Any claim that it is already in the API is unconfirmed.
How to follow an unreleased SKU
As of 2026-10-20 the answer is direct: Google has no Gemini 4 Flash-Lite model, and the Gemini 4 line has only Gemini 4 Argon (GA 2026-10-13, official price per 1M tokens $2.00 input and $10.00 output). When you search for a Gemini 4 Flash-Lite release date, split the officially confirmed 3.5 Flash-Lite (official price per 1M tokens $0.30 input, $2.50 output) from the rumored 4-family SKU. Dates that are not in a Google changelog do not go on a ship calendar. QCode does not currently offer the Gemini series; please use Claude, GPT or Chinese models (e.g. claude-sonnet-5-5, gpt-6.1-sol, glm-5.3).
What the community circulated in 2026-09
On 2026-10-13 Google shipped the Gemini 4 line as Gemini 4 Argon (gemini-4-argon) with GA, at an official price of $2.00 input through 2026-11-30 and $10.00 output; the official docs have never listed a Gemini 4 Flash-Lite model. Around 2026-09-07 community graphics pointed Gemini 4 Pro at October and a new Flash-Lite plus NB2Lite at September. The same week Google shipped 3.8 Flash - already a product, not 4-family Flash-Lite. Treating the leak slide as a release date upgrades a rumor into an official announcement.
Timeline
2026-07-21 Google shipped Gemini 3.5 Flash-Lite in the same post as 3.6 Flash and 3.5 Flash Cyber. Officially confirmed product.
2026-09-02 Google shipped Gemini 3.8 Flash. That post did not give a Gemini 4 Flash-Lite date or id.
2026-09-07 leak slides pointed Flash-Lite at “this month”. As of 2026-09-11 no official changelog confirms it.
Three evidence tiers
Officially announced / confirmed
Officially confirmed as of 2026-10-20: Gemini 3.5 Flash-Lite shipped as a product on 2026-07-21, at an official price per 1M tokens of $0.30 input and $2.50 output; Gemini 3.1 Flash-Lite went GA on 2026-05-07, at an official price per 1M tokens of $0.25 input, $0.50 audio and $1.50 output; the Gemini 4 line has only Gemini 4 Argon (gemini-4-argon), GA on 2026-10-13, at an official price per 1M tokens of $2.00 input through 2026-11-30 and $10.00 output. Google's official model page, pricing page and changelog back every one of these sentences, and none of them mentions a Gemini 4 Flash-Lite model.
Rumor / what the community is saying
Rumor: a Gemini 4 Flash-Lite in 2026-09, Pro in October. Source: leak slides and recaps, not a Google changelog. Treating this month as an official window promotes a rumor to officially announced. Recorded 2026-09-11, rechecked 2026-10-20: the official docs still have no Gemini 4 Flash-Lite.
Shipped versus unnamed
Gemini Flash that already shipped
3.5 Flash-Lite (2026-07-21) and 3.8 Flash (2026-09-02) are official products. QCode does not currently offer the Gemini series; please use Claude, GPT or Chinese models.
Rumored 4-family Flash-Lite
There is no official Gemini 4 Flash-Lite id, price or date. The Gemini 4 line has only Gemini 4 Argon (GA 2026-10-13). Unpublished items do not go on a calendar and do not go on a QCode availability claim.
What to do while you wait
Put the model name in config. Do not hard-code a gemini-4-flash-lite id that does not exist. Baseline cost on Claude / GPT ids that already return 200. When Google publishes an id, change one config line.
Gemini on QCode, stated conservatively
QCode does not currently offer the Gemini series; please use Claude, GPT or Chinese models (e.g. claude-sonnet-5-5, gpt-6.1-sol, glm-5.3). Billing is per token, with per-model rates on /models. To connect: copy the dashboard key. Claude Code: ANTHROPIC_BASE_URL = https://api.qcode.cc/api , ANTHROPIC_AUTH_TOKEN that key. Codex CLI: gpt-5.6-sol as a pathfinder (official $4 / $20, promo through at least 2026-11-21). Personal Plans from ¥63/month give a daily quota valid for 30 days. Next step: tiny request, HTTP 200. Not ready for a monthly plan? Pay-as-you-go Packs start at $4 for a one-time quota you use within 7 days. You can't buy packs while you have an active personal plan; if the plan's quota isn't enough, buy a booster pack.
FAQ
Has Gemini 4 Flash-Lite shipped?
There is no official model with that name. As of 2026-10-20, Google's model page, pricing page and changelog have no gemini-4-flash-lite; what is officially announced is Gemini 3.5 Flash-Lite (GA 2026-07-21) and Gemini 3.1 Flash-Lite (GA 2026-05-07).
Is the September window official?
No. The September window comes from a community leak slide, not a Google changelog. Recorded 2026-09-11, rechecked 2026-10-20: the official changelog still prints neither that date nor a Gemini 4 Flash-Lite release entry.
When is Gemini 4 coming out, and which Gemini 4 models are official now?
Gemini 4 is already out: as of 2026-10-20 the official Gemini 4 lineup is one model, Gemini 4 Argon (gemini-4-argon), GA on 2026-10-13, official price per 1M tokens $2.00 input and $10.00 output; Google's model page and changelog list no Gemini 4 Pro and no gemini-4-flash-lite id. The site's Gemini 4 preview tracker covers the Gemini 4 / 4 Pro generation; this page isolates the Flash-Lite budget SKU rumor so it does not collide with the Pro window.
Can QCode call Gemini 4 Flash-Lite?
No. QCode does not currently offer the Gemini series; please use Claude, GPT or Chinese models (e.g. claude-sonnet-5-5, gpt-6.1-sol, glm-5.3). Google has no gemini-4-flash-lite id either, and the Gemini 4 line has only Gemini 4 Argon.
Wait or pick something now?
Waiting on an unpublished date is not a plan. Baseline on Sol / Sonnet 5 that have usage.
Are 3.5 Flash-Lite and 4 Flash-Lite the same SKU?
No. 3.5 is an officially announced product (GA 2026-07-21, official price per 1M tokens $0.30 input and $2.50 output, also on the Free tier); 3.1 is a current model too (GA 2026-05-07, official price per 1M tokens $0.25 input, $0.50 audio and $1.50 output, also on the Free tier). The Gemini 4 line has only Argon (GA 2026-10-13, official price per 1M tokens $2.00 input and $10.00 output, not on the Free tier).
Sources
Model names and official prices come from Google's official model page and pricing page: Gemini 4 Argon, Gemini 3.5 Flash-Lite, Gemini 3.1 Flash-Lite. The release dates come from three GA entries in the official changelog: 2026-07-21, 2026-05-07 and 2026-10-13; the 2026-07-21 entry reads Gemini 3.6 Flash and Gemini 3.5 Flash-Lite generally available (GA). The September window is a community rumor, unconfirmed. Fetched 2026-09-11, rechecked 2026-10-20.
Do not schedule an unpublished SKU — baseline what runs today
One key for GPT and Claude. As of 2026-10-20 there is no official Gemini 4 Flash-Lite model. From ¥63/month.
Related
Gemini 4 preview tracker
Whole-generation tracker; officially Gemini 4 is only Argon (GA 2026-10-13).
Gemini 4 Pro status
The Pro SKU window — keep it off the Flash-Lite rumor.
Gemini 3.8 Flash
The Flash that actually shipped 2026-09-02, not 4-family.
Crypto payment guide
Nine coins, 56 networks, zero platform fee for AI coding API credits.
A tracker. Rumors are not official confirmation. As of 2026-10-20, Google's official model page, pricing page and changelog have no Gemini 4 Flash-Lite model. No Gemini-in-sale claim; Google's official model page and pricing page are authoritative.