Gemini · Fast / Budget · 1,000K context window

Gemini 3.5 Flash-Lite pricing for bug detection

$0.006500 per call at 5,000 input / 2,000 output tokens.

Per call

$0.006500

10K calls/mo

$65

Cache savings

90% off input

Batch savings

50% off all

Calculate your Gemini 3.5 Flash-Lite costs

Adjust token counts, volume, and discount toggles to model your bug detection spend. Prices verified daily against provider pricing pages.

Configure your usage

5,000
100100K
2,000
5050K
10,000
1001M

Estimated cost

Monthly cost
$65
10,000 calls/month
Cost per call$0.006500
Daily cost$2
Input rate$0.30/MTok
Output rate$2.50/MTok
Analyze your real spend

Quick start

Call Gemini 3.5 Flash-Lite with the Google Generative AI SDK:

import google.generativeai as genai

model = genai.GenerativeModel("gemini-3.5-flash-lite")
response = model.generate_content("Your prompt here")
# Cost: ~$0.006500 per call at standard rates
# Input:  $0.30/MTok
# Output: $2.50/MTok

How Gemini 3.5 Flash-Lite compares on cost

Per-call cost for all models scoring 50+ on bug detection benchmarks. Hover for details.

Cheapest viable option: Claude Sonnet 5 at $0.0300/call (-362% less, 96/100 quality).

What drives bug detection cost

Bug detection sends a file and gets back a short list of suspected defects, so input dominates and output stays small. That makes it cheap per call and tempting to run continuously, which is the real cost driver: frequency, not per-call price. Caching the unchanged parts of the codebase and running only on changed files is worth more than switching models.

For Gemini 3.5 Flash-Lite specifically, that means output tokens cost 8.3x more than input, at $2.50 vs $0.30 per MTok. At this use case’s 5,000/2,000 token split, output accounts for 77% of the $0.006500 per-call cost.

Complete Gemini 3.5 Flash-Lite pricing breakdown

Standard token rates

Direction$/MTokTokens per call
Input$0.305,000
Output$2.502,000

Prompt caching: 90% off input tokens

Caching drops input cost from $0.30 to $0.03/MTok. For repeated system prompts, that saves $0.001350 per call.

Batch API: 50% off all tokens

Submit requests asynchronously and receive 50% off all token costs. This works best for offline pipelines where latency requirements are flexible.

Monthly cost projections

Monthly volumeCost per callStandard monthlyCached monthlyYou save with caching
10,000 calls$0.006500$65$51.5$13.5
50,000 calls$0.006500$325$257.5$67.5
100,000 calls$0.006500$650$515$135
500,000 calls$0.006500$3,250$2,575$675
1,000,000 calls$0.006500$6,500$5,150$1,350

Gemini 3.5 Flash-Lite quality benchmarks for bug detection

Consider alternatives for bug detection

Scores 52/100 (rank #8 of 20). Better options exist at similar price points for bug detection.

Top-ranked: Claude Sonnet 5 (96/100) at $0.0300/call

Performance across all task types

Gemini 3.5 Flash-Lite scores by task type. Bug Detection highlighted.

Classification85Extraction83Summarization79Q&A78Code Generation55Code Review *52Reasoning50Creative Writing45
Task typeConfidence scoreRank out of 20
Classification85/100#4
Extraction83/100#5
Summarization79/100#6
Q&A78/100#6
Code Generation55/100#8
Code Review(current page)52/100#8
Reasoning50/100#8
Creative Writing45/100#9

Confidence scores are a third-party benchmark snapshot from week 29 of 2026. This snapshot is 8 weeks old, so treat the scores as directional and validate against your own evals.

Alternative models for bug detection

9 models score 80+ on bug detection benchmarks, sorted by input rate. Cheapest: Claude Sonnet 5 (-362% less, 96/100 quality).

ModelProviderInput $/MTokOutput $/MTokQualityPer callvs Gemini
Claude Sonnet 5Claude$2.00$10.0096/100$0.0300362% more
GPT 5.6 TerraGPT$2.00$12.0084/100$0.0340423% more
Gemini 3.1 ProGemini$2.00$12.0084/100$0.0340423% more
GPT 5.4GPT$2.50$15.0082/100$0.0425554% more
Claude Sonnet 4.6Claude$3.00$15.0095/100$0.0450592% more
GPT 5.6 SolGPT$4.00$20.0092/100$0.0600823% more
Claude Opus 4.8Claude$5.00$25.0094/100$0.07501054% more
GPT 5.5GPT$5.00$30.0090/100$0.08501208% more
Claude Fable 5Claude$10.00$50.0095/100$0.15002208% more

About Gemini 3.5 Flash-Lite

Provider

Gemini

Tier

Fast / Budget

Context

1,000K tokens

Released

Jun 2026

Other models from Gemini

ModelTierInput $/MTokOutput $/MTokContext
Gemini 3.1 ProMid-tier$2.00$12.001,000K
Gemini 3.5 FlashFast / Budget$1.50$9.001,000K
Gemini 3 FlashFast / Budget$0.50$3.001,000K

You can compare Gemini 3.5 Flash-Lite head-to-head against any other model on our model comparison pages, or track how pricing has changed over time on the pricing history tracker.

Frequently asked questions

How much does Gemini 3.5 Flash-Lite cost for bug detection per API call?

A typical bug detection call using Gemini 3.5 Flash-Lite costs about $0.006500 per call. This estimate uses 5,000 input tokens and 2,000 output tokens at standard rates. Standard rates are $0.30 per million input tokens and $2.50 per million output tokens.

Is Gemini 3.5 Flash-Lite the best model for bug detection?

Gemini 3.5 Flash-Lite scores 52 out of 100 on bug detection benchmarks overall. It ranks #8 across all 20 models in our cross-provider registry. The highest-ranked model for this task is Claude Sonnet 5 from Claude. That model scores 96/100 on this task type. Confidence scores are a third-party benchmark snapshot from week 29 of 2026. This snapshot is 8 weeks old, so treat the scores as directional and validate against your own evals.

What is the cheapest model for bug detection with good quality?

The most affordable model for bug detection above 80/100 quality is Claude Sonnet 5. It comes from Claude at $2.00 per million input tokens. Output costs $10.00 per million tokens with a quality score of 96/100. Switching from Gemini 3.5 Flash-Lite to Claude Sonnet 5 saves about -362% per API call.

How can I reduce my Gemini 3.5 Flash-Lite costs for bug detection?

Three strategies lower Gemini 3.5 Flash-Lite costs for this task type effectively. Prompt caching gives a 90% discount on input tokens when reusing system prompts. The batch API gives 50% off all tokens for asynchronous processing workloads. Prompt optimization reduces token counts through more concise instructions and context windows. Combining caching with batching brings your cost from $0.006500 to about $0.000325 per call.

How does Gemini 3.5 Flash-Lite pricing compare to other Gemini models?

Gemini has 3 other models alongside Gemini 3.5 Flash-Lite today: Gemini 3.1 Pro at $2.00/$12.00 per million tokens (mid-tier), Gemini 3.5 Flash at $1.50/$9.00 per million tokens (fast / budget), Gemini 3 Flash at $0.50/$3.00 per million tokens (fast / budget). The right choice depends on whether your bug detection workload prioritizes quality, cost, or speed.

What context window does Gemini 3.5 Flash-Lite support?

Gemini 3.5 Flash-Lite supports a context window of 1,000K tokens per API call. This sets the maximum combined length of your input prompt and generated response. For bug detection, typical calls use 5,000 input and 2,000 output tokens. That is well within this limit, leaving room for longer prompts or multi-turn conversations.

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