Gemini 3.8 Flash

Name: Gemini 3.8 Flash
Author: Google DeepMind

Flash now scores like last quarter's Pro; promotional price through Dec 31, 2026.

Released

Sep 2, 2026

Price in / out

$0.75 / $3.75

Blended $/1M

$1.5

Context

Benchmark scoresvs Gemini 3.7 Flash

Benchmark	Score	Δ vs prior	Rank (current)	Configuration	Source
Terminal-Bench 2.1	81.3%	+3.8	#5 of 22	leaderboard	benchlm.ai ↗
GPQA Diamond	94.4%	—	#2 of 21	Vals AI run, high reasoning · independent run	vals.ai ↗
Humanity's Last Exam	47.8%	—	#10 of 31	Artificial Analysis run, no tools (2,158 text-only questions), high effort · independent run	artificialanalysis.ai ↗
ARC-AGI-2	89.2%	+4.6	#5 of 9	leaderboard	benchlm.ai ↗
MMLU-Pro	90.2%	—	#2 of 12	Vals AI run, high reasoning · independent run	vals.ai ↗

Version	Released	$ in / out	Terminal-Bench	SWE-bench	GPQA	HLE	ARC-AGI-2	τ²-bench
Gemini 2.5 ProRetired	2025-03-25	$1.25 / $10	—	63.8%	—	18.8%	—	54.1%
Gemini 2.5 FlashRetired	2025-04-17	$0.3 / $2.5	—	—	—	—	—	14.9%
Gemini 3 ProSuperseded	2025-11-18	$2 / $12	—	76.2%	91.9%	37.5%	31.1%	87.1%
Gemini 3 FlashSuperseded	2025-12-17	$0.5 / $3	53.9%	78%	90.4%	33.7%	—	43.3%
Gemini 3.1 Pro	2026-02-19	$2 / $12	70.8%	—	94.3%	44.4%	77.1%	95.6%
Gemini 3.5 FlashSuperseded	2026-05-19	$1.5 / $9	74.2%	—	92.7%	40.2%	72.1%	95.3%
Gemini 3.6 FlashSuperseded	2026-07-21	$0.75 / $3.75	73.8%	—	—	—	60.4%	—
Gemini 3.7 FlashSuperseded	2026-08-13	$0.75 / $3.75	77.5%	—	—	—	84.6%	—
Gemini 3.8 Flash	2026-09-02	$0.75 / $3.75	81.3%	—	94.4%	47.8%	89.2%	—
Gemini 4 ArgonPreview	2026-09-30	$2 / $10	—	—	—	57.1%	—	—
Gemini 4 CarbonPreview	2026-10-28	$4 / $20	—	—	—	—	—	—