Gemini 4 Pro / Flash: benchmarks, hands-on tests and leaks

A leak claims Gemini 4 Argon could reach paid API users and Ultra subscribers as early as this week, pointing to October 9 or 10.

A rumor roundup says Gemini 4 Argon launches today with a 1M-token context, $2/$10 intro pricing, and scores like 77.9% on DeepSWE and 91.9% on Vibe Code Bench, already rolling out via the Fairwind program.

The author received a Google AI Studio migration email announcing the Interactions API, removal of temperature/top_p/top_k and a new thinking_level, and reads it as a sign Gemini 4 Argon is close.

A user says the Gemini 4 Argon release is imminent and wants to see whether its real-world performance matches its benchmark scores.

A user declares it "Gemini 4 Argon week" and expects the model to arrive today or tomorrow, a community rumor ahead of launch.

Multiple users report they already have access to Gemini 4 Argon, and the poster says the team may release it today while running tests to share outputs soon.

A commit in Antigravity changing 4 files (+280/-14) lists Gemini 4 Argon as co-author, suggesting the model already writes and modifies real code there.

A screenshot shows Gemini 4 Argon has been added to Google Cloud's launch list, and the poster speculates it could be released as soon as today.

A leak says Gemini 4 Argon is already in Google Cloud and may launch today or tomorrow, with pricing at $4 input / $20 output, halved for Flex/Batch, and cached input as low as $0.10/M.

A developer says Argon's release looks imminent and plans to run it head to head with Opus 5.5, expecting it to fall short of Opus, then test it against Sol 6.1 and Astra 6.

A user says they have waited a long time for Gemini 4 Argon and hopes Google releases it now.

A user is testing Opus 5.5, Astra-6 and Gemini 4 at the same time to see which model does their job better.