How much does Gemini 3.8 Flash cost?

$0.75 per 1M input tokens and $3.75 per 1M output tokens, which is $1.50 on a 3:1 input:output mix. The price was checked on 2026-10-17.

Which subscription plans include Gemini 3.8 Flash?

None of the subscription plans we track list this model by name. It is still tracked here because it has published benchmark scores.

How does Gemini 3.8 Flash rank on WebDev Arena?

It ranks 17 of 29 models we track with a published WebDev Arena score, at 1585. The rank is among the models on this site, not the full LMArena leaderboard.

Is Gemini 3.8 Flash the best value for coding?

No. 3 tracked models scores higher on WebDev Arena and costs less. The best-scoring model at $1.50 or less is DeepSeek V4.1 Flash.

Google

Gemini 3.8 Flash

Name: Gemini 3.8 Flash
Brand: Google

Gemini 3.8 Flash scores 1585 on WebDev Arena — rank 17 of 29 models we track with a published score and costs $1.50 per 1M blended tokens on the API — the best-scoring model at that price is DeepSeek V4.1 Flash (1664).

API price

$1.50

per 1M blended tokens

WebDev Arena

1585

rank 17 of 29 tracked models

Where to use it

No subscription plan we track lists Gemini 3.8 Flash by name. It is tracked here because it has published benchmark scores.

Benchmark scores

Benchmark	Score	Rank	Source	Published
WebDev Arena	1585High	#17 of 29	LMArena	2026-10-19
FrontierCode	41.2%medium	#15 of 25	Epoch AI Benchmarking Hub	2026-09-02
FrontierSWE	19.6%high	#10 of 12	Epoch AI Benchmarking Hub	2026-09-02
DeepSWE	73.8%high	#2 of 12	Epoch AI Benchmarking Hub	2026-09-02
CursorBench	39.6%high	#8 of 10	Epoch AI Benchmarking Hub	2026-09-02

The rank is among the 29 models we track with a published score for that benchmark — not the full leaderboard of the source, which lists many models we do not track. Where a source publishes several reasoning-effort settings, we show the model's best listed result.

API price

Input: $0.75 per 1M tokens
Output: $3.75 per 1M tokens
Blended (3 input : 1 output): $1.50 per 1M tokens

Promotional price through December 31, 2026.

Checked 2026-10-17 · source

Where it sits

WebDev Arena score against API price, with every model we can price and score on the same benchmark. Up and to the left is better.

Value frontier: No — a cheaper model scores higher
Best model at $1.50 or less: DeepSeek V4.1 Flash1664 · $0.52
Cheaper and scoring higher: DeepSeek V4.1 Flash1664 · $0.52, GLM-5.3-Flash1607 · $0.24, MiniMax M3.1 Flash1587 · $0.26
Cheaper models on the frontier: Claude Haiku 5.51586 · $0.20, GLM-5.3-Flash1607 · $0.24, DeepSeek V4.1 Flash1664 · $0.52

Plans that include Gemini 3.8 Flash

No subscription plan we track lists Gemini 3.8 Flash by name. Browse every plan or compare models on the coding model chart.

Other Google models

Common questions

How much does Gemini 3.8 Flash cost?: $0.75 per 1M input tokens and $3.75 per 1M output tokens, which is $1.50 on a 3:1 input:output mix. The price was checked on 2026-10-17.
Which subscription plans include Gemini 3.8 Flash?: None of the subscription plans we track list this model by name. It is still tracked here because it has published benchmark scores.
How does Gemini 3.8 Flash rank on WebDev Arena?: It ranks 17 of 29 models we track with a published WebDev Arena score, at 1585. The rank is among the models on this site, not the full LMArena leaderboard.
Is Gemini 3.8 Flash the best value for coding?: No. 3 tracked models scores higher on WebDev Arena and costs less. The best-scoring model at $1.50 or less is DeepSeek V4.1 Flash.