AiCostCompare

Gemini 3.5 Flash Lite (batch)

by Google · google/gemini-3.5-flash-lite:batch · #140 cheapest of 422 paid models

Prices updated Sep 19, 2026, 6:21 PM UTC · refreshed hourly

Gemini 3.5 Flash Lite is a high-efficiency model from Google with upgraded agentic capabilities. It is suited for subagents that execute focused tasks within complex, multi-agent workflows.

Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol

Pricing

Input

$0.15

per 1M tokens

Output

$1.25

per 1M tokens

Blended (3:1)

$0.425

3 input : 1 output

Cache read

$0.015

per 1M cached tokens

Cache write

per 1M tokens

Cache & batch economics

Effective prices for Gemini 3.5 Flash Lite (batch) with prompt caching.

Cache hit rateEffective blended $/1MExample request*vs no cache
0%$0.425$0.0165
50%$0.374$0.0098−41%
90%$0.334$0.0044−73%

*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.

What a request costs

WorkloadInput tokensOutput tokensCost / requestCost / 1K requests
Short chat message500300$0.00045$0.45
Document summary8,0001,000$0.00245$2.45
Codebase question (RAG)30,0002,000$0.007$7.00
Long-context analysis150,0005,000$0.0287$28.75

Performance

Intelligence Index

22.7

AA composite quality

Coding Index

49.3

Math Index

Agentic Index

15.9

Output speed

363 tok/s

median

Time to first token

6.83s

median

Time to first answer

6.83s

after reasoning tokens

Artificial Analysis benchmarks

BenchmarkScore
GPQA Diamond83.8%
Humanity's Last Exam18.8%
SciCode41.3%
AA-LCR (Long Context Reasoning)76.0%
Terminal-Bench 2.153.6%
τ³-Bench Banking17.5%

Specs

Context window

1.05M

tokens

Max output

66K

tokens

Input modalities

text, image, video, file, audio

Tokenizer

Gemini