Gemini 1.5 Pro (initial preview)

ClosedAnnounced, no public access

Google introduced Gemini 1.5 Pro on February 15, 2024 in limited developer and enterprise preview. The announcement distinguishes a stated 128,000-token standard window from selected experimental access up to one million tokens. This initial preview is separate from later releases, general availability and current API aliases.

Benchmark scores

No published benchmark scores checked yet.

Access

Historical limited/private preview through AI Studio and Vertex AI began February 15, 2024. Google described multimodal capabilities, a standard 128,000-token window and selected experimental access up to one million; these are not universal initial channel limits. No stable API identifier, unconditional context limit, public/GA date, open-weight release or current service status was qualified.