Catalog checked 2026-09-29

Gemini 4 Pro is still not a product
Only the Gemini 4 pre-training run is confirmed; the API catalog lists no gemini-4* at all

Google's official blog of 2026-07-21 says its "most ambitious pre-training run yet" for Gemini 4 has started, and the same post states Gemini 3.5 Pro is still testing with partners. As of 2026-09-29 the API model catalog last updated 2026-09-24 has no gemini-4 and no gemini-4-pro id, price or model card.

Updated 2026-10-08

One key across Claude, GPT and Chinese models, billed per token.

#Gemini 4 Pro#Gemini 4#Catalog 2026-09-24#3.5 Pro delayed

What Google actually said

No gemini-4*

No 4, no 4 Pro

The model-endpoint table in the official API catalog dated 2026-09-24 lists neither gemini-4 nor gemini-4-pro.

2026-07-21

Pre-training started

Official blog: the Gemini 4 pre-training run has started. That is not a release and there is no SKU.

gemini-3.1-pro-preview

Still late

The Pro tier listed as live in the catalog is Gemini 3.1 Pro, id gemini-3.1-pro-preview.

3.8 Flash / 3.8 Live

In catalog

The catalog now lists gemini-3.8-flash and gemini-3.8-live — the 3.x line keeps growing, which is a separate fact from Gemini 4.

Why people type Gemini 4 Pro

Three things to separate when you search "Gemini 4 Pro": only one fact is officially confirmed (pre-training started 2026-07-21); the callable Pro today is gemini-3.1-pro-preview; and Gemini 3.5 Pro was still "testing with partners" in that same post. Gemini 4 is not a rename of 3.5 Pro, and there is no official id, price or benchmark.

The competitive context

Re-checked 2026-09-18 against the catalog dated 2026-09-17: what was added is gemini-3.8-flash and gemini-3.8-live, not Gemini 4. The only official statement about Gemini 4 is still the 2026-07-21 pre-training line.

Public crumbs

2026-07-21

2026-07-21 Google's official blog confirms the Gemini 4 pre-training run has started and that Gemini 3.5 Pro is still testing with partners.

2026-09-17

2026-09-17 (catalog marked "Last updated 2026-09-17 UTC"): the API catalog added gemini-3.8-flash and gemini-3.8-live, and still has no gemini-4*.

2026-09-29

2026-09-29 this page was re-checked against the catalog dated 2026-09-24: Gemini 4 and Gemini 4 Pro still have no model card, pricing or API id.

Confirmed vs rumor

Confirmed

Confirmed, each with a first-hand source: Gemini 4 pre-training started 2026-07-21; Gemini 3.5 Pro still testing with partners; in the catalog dated 2026-09-24, re-checked 2026-09-29, the live Pro is gemini-3.1-pro-preview, alongside gemini-3.8-flash and gemini-3.8-live.

Rumor

"Gemini 4 Pro ships in October" and "the first checkpoint leaked" have no place here: beyond the catalog dated 2026-09-17 and the 2026-07-21 blog post there is no official date, id, price or benchmark. Leaked third-party scores are never mixed with official numbers.

What to use instead

Need Google stack today

Google-side ids you can set today are the 3.x family from the catalog: gemini-3.1-pro-preview, gemini-3.8-flash, gemini-3.8-live.

Need 2026 frontier coding

gemini-4-pro is not in the official catalog, so a config that sets it gets no response.

How this page flips green

This page stays red until Google publishes a model id (gemini-4, gemini-4-pro or otherwise) with a model card. Then rewrite benchmarks and context limits from the official card and note that the query "Gemini 4 Pro" may not match the final id.

On QCode

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). Separately, Google has not released any model named Gemini 4 Pro that could be enabled.

Gemini 4 Pro FAQ

Is Gemini 4 Pro released?

No. Per the catalog dated 2026-09-24, re-checked 2026-09-29, there is no gemini-4-pro id; the 2026-07-21 official blog post too only describes the pre-training that started that day.

Did Google announce Gemini 4?

On 2026-07-21 they confirmed the Gemini 4 pre-training run had started. That is not a release, and there is no SKU.

Is Gemini 4 just 3.5 Pro renamed?

It is not. Gemini 3.5 Pro is still the 3.x SKU described as "testing with partners" on 2026-07-21; Gemini 4 is the next pre-training run mentioned in the same post.

When will Gemini 4 Pro launch?

There is no official date. The catalog's own stamp reads Last updated 2026-09-24 UTC (re-checked 2026-09-29) and contains no Gemini 4 row. Any specific month is not official.

What Gemini can I use for coding now?

Per the catalog dated 2026-09-24 (re-checked 2026-09-29) the coding-side choices are gemini-3.1-pro-preview, gemini-3.8-flash and gemini-3.8-live; read each model card for actual capability.

Will QCode list Gemini 4 Pro on day one?

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 Pro model that can be enabled yet either.

Sources

Google's official blog of 2026-07-21 (Gemini 4 pre-training; 3.5 Pro in partner testing, captured 2026-09-18) and the Gemini API model catalog on ai.google.dev (its own stamp reads Last updated 2026-09-24 UTC, captured 2026-09-29).

Use Google models that already have ids

QCode does not currently offer the Gemini series; one key calls Claude, GPT and Chinese models such as DeepSeek — no need to wait for a SKU that is still in training.

Related

Not affiliated with Google / DeepMind. "Gemini 4 Pro" is a search query, not an announced SKU. Three tiers are kept apart: the officially confirmed pre-training run, circulating rumour about dates, and what is unconfirmed — no id, price or model card. Leaked benchmarks are not release evidence.

Try first, then decide

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