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Gemini 3.5 Flash Lite vs Gemini 3 Flash Preview

Signal-by-Signal Comparison
SignalGemini 3.5 Flash LiteDeltaGemini 3 Flash Preview
Capabilities
100
--
100
Benchmarks
75
-12
87
Pricing
98
+1
97
Context window size
96
--
96
Recency
100
+10
90
Output Capacity
80
--
80
Overall Result
2 wins
of 6
1 wins
Gemini 3.5 Flash Lite wins 2 of 6 signals

Score History

Score History (25 data points)
Gemini 3.5 Flash LiteGemini 3 Flash Preview
Gemini 3.5 Flash Lite

76.9

current score

Leader

Gemini 3 Flash Preview

right now

Gemini 3 Flash Preview

88.4

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Gemini 3.5 Flash Lite

Google

Best Value
Per request$0.001550
Daily$5.17
Monthly$155.00
Annual$1860.00

Gemini 3 Flash Preview

Google

Per request$0.002000
Daily$6.67
Monthly$200.00
Annual$2400.00

Gemini 3.5 Flash Lite saves you $45.00/month

That's $540.00/year compared to Gemini 3 Flash Preview at your current usage level of 100K calls/month.

23% cheaper
Choose Gemini 3.5 Flash Lite for cost optimization

Gemini 3.5 Flash Lite pricing:
Input:$0.30/M tokens
Output:$2.50/M tokens
Gemini 3 Flash Preview pricing:
Input:$0.50/M tokens
Output:$3.00/M tokens
Gemini 3.5 Flash Lite

Google

77

Composite Score

Winner
Gemini 3 Flash Preview

Google

88

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.5 Flash LiteGemini 3 Flash PreviewWinner
Overall Score
77
88
Gemini 3 Flash Preview
Rank#112#55
Gemini 3 Flash Preview
Quality Rank#112#55
Gemini 3 Flash Preview
Adoption Rank#112#55
Gemini 3 Flash Preview
Parameters------
Context Window1049K1049K--
Pricing$0.30/$2.50/M$0.50/$3.00/M--
Signal Scores
Capabilities
100
100
Gemini 3.5 Flash Lite
Benchmarks
75
87
Gemini 3 Flash Preview
Pricing
98
97
Gemini 3.5 Flash Lite
Context window size
96
96
Gemini 3.5 Flash Lite
Recency
100
90
Gemini 3.5 Flash Lite
Output Capacity
80
80
Gemini 3.5 Flash Lite
Benchmark Head-to-Head(11 benchmarks)
Gemini 3.5: 0Gemini 3: 1
Gemini 3.5
Gemini 3
Normalized 0-100%
MMLU
-88%
MMLU-Pro
-82%
GPQA Diamond
-90.4%
MATH-500
-88%
HumanEval
-92%
SWE-bench Verified
-78%
IFEval
-91%
BBH
-89%
Arena Elo
14591474
LiveBench
-74.5%
HLE
-33.7%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Gemini 3.5 Flash LiteStrong Performer

Scores 77/100 (rank #112), placing it in the top 62% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Gemini 3 Flash PreviewElite Tier

Scores 88/100 (rank #55), placing it in the top 81% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Gemini 3 Flash Preview has a 12-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Gemini 3.5 Flash Lite when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Gemini 3 Flash Preview when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemini 3.5 Flash LiteBest Value
Input cost$0.30/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.036
Est. monthly (1M tokens/day)$42.00
Gemini 3 Flash Preview
Input cost$0.50/M tokens
Output cost$3.00/M tokens
Cost per quality point$0.040
Est. monthly (1M tokens/day)$52.50

Gemini 3.5 Flash Lite offers 20% better value per quality point. At 1M tokens/day, you'd spend $42.00/month with Gemini 3.5 Flash Lite vs $52.50/month with Gemini 3 Flash Preview - a $10.50 monthly difference.

Latency & Speed
Gemini 3.5 Flash LiteFaster
Speed score0/100
Gemini 3 Flash Preview
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Gemini 3.5 Flash Lite

Customer support chatbot

Suitable for user-facing chat with competitive response times. Gemini 3.5 Flash Lite also offers lower per-token costs for high-volume support

Gemini 3.5 Flash Lite

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Gemini 3.5 Flash Lite

Batch data extraction

Lower output pricing ($2.50/M) reduces costs when processing thousands of records daily

Gemini 3.5 Flash Lite

Creative writing & content

Higher overall composite score (88/100) correlates with better nuance, coherence, and style in long-form content

Gemini 3 Flash Preview

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Gemini 3.5 Flash Lite
Which Should You Choose?
Our recommendation:
Gemini 3 Flash Preview

Gemini 3 Flash Preview clearly outperforms Gemini 3.5 Flash Lite with a significant 11.5-point lead. For most general use cases, Gemini 3 Flash Preview is the stronger choice. However, Gemini 3.5 Flash Lite may still excel in niche scenarios.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 20% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Google

Consider for specialized use cases.

Capability Comparison
CapabilityGemini 3.5 Flash LiteGemini 3 Flash Preview
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 3.5 Flash Lite

Google

Best Value
$3.54
estimated monthly cost

Gemini 3 Flash Preview

Google

$4.50
estimated monthly cost

Gemini 3.5 Flash Lite saves you $0.9600/month

That's 21% cheaper than Gemini 3 Flash Preview at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGemini 3.5 Flash LiteGemini 3 Flash Preview
Context Window1.0M1.0M
Max Output Tokens65,53665,536
Open SourceNoNo
CreatedJul 21, 2026Dec 17, 2025
Last updated: 10m ago

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Gemini 3.5 Flash Lite vs Gemini 3 Flash Preview (2026) | LM Market Cap