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Gemini 3.5 Flash-Lite vs Gemini 3.8 Flash

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 30.1. Gemini 3.5 Flash-Lite is 1.8x cheaper per token.

Google · Google · Updated for 2026

Which is better?

Gemini 3.8 Flash leads the overall LLM Stats Score 51.0 to 30.1, ranking #15 overall.

In the 2 individual benchmarks reported for both models, Gemini 3.8 Flash wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Gemini 3.5 Flash-Lite is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.5 Flash-Lite

  • cost matters — it's about 1.8x cheaper per token

Choose Gemini 3.8 Flash

  • overall performance matters — it scores 51.0 and ranks #15 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Core performance indexes
30.1
#113
51.0
#15
26.1
#139
46.9
#24
16.2
#120
39.3
#14
15.4
#78
35.8
#16
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
$0.30 / M
$0.75 / M
Output price
$2.50 / M
$3.75 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemini 3.5 Flash-Lite
Gemini 3.8 Flash
19.2#71
33.8#15
21.4#61
34.8#12
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Gemini 3.5 Flash-Lite · 13 for Gemini 3.8 Flash

2 shared

Gemini 3.5 Flash-Lite outperforms in 0 benchmarks, while Gemini 3.8 Flash is better at 2 benchmarks (CharXiv-R, Terminal-Bench 2.1).

Gemini 3.8 Flash significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 3.5 Flash-Lite costs less

For input processing, Gemini 3.5 Flash-Lite ($0.30/1M tokens) is 2.5x cheaper than Gemini 3.8 Flash ($0.75/1M tokens).

For output processing, Gemini 3.5 Flash-Lite ($2.50/1M tokens) is 1.5x cheaper than Gemini 3.8 Flash ($3.75/1M tokens).

In conclusion, Gemini 3.8 Flash is more expensive than Gemini 3.5 Flash-Lite.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Sep 05 2026 • llm-stats.com
Google
Gemini 3.5 Flash-Lite
Input tokens$0.30
Output tokens$2.50
Best providerGoogle
Google
Gemini 3.8 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 65,536 tokens.

Google
Gemini 3.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
Google
Gemini 3.8 Flash
Input1,048,576 tokens
Output65,536 tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 3.5 Flash-Lite and Gemini 3.8 Flash support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3.5 Flash-Lite

Text
Images
Audio
Video

Gemini 3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.5 Flash-Lite

Proprietary

Closed source

Gemini 3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash-Lite was released on 2026-07-21, while Gemini 3.8 Flash was released on 2026-09-02.

Gemini 3.8 Flash is 1 month newer than Gemini 3.5 Flash-Lite.

Gemini 3.5 Flash-Lite

Jul 21, 2026

1 months ago

Gemini 3.8 Flash

Sep 2, 2026

3 days ago

1mo newer

Knowledge Cutoff

When training data ends

Both models have the same knowledge cutoff date of 2026-03-31.

They should have similar awareness of historical events and information up to this date.

Gemini 3.5 Flash-Lite

Mar 2026

Gemini 3.8 Flash

Mar 2026

Provider Availability

Gemini 3.5 Flash-Lite is available from Google. Gemini 3.8 Flash is available from Google.

Gemini 3.5 Flash-Lite

google logo
Google
Input Price:Input: $0.30/1MOutput Price:Output: $2.50/1M

Gemini 3.8 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash-Lite and Gemini 3.8 Flash side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash-Lite
✓ Preferred
Gemini 3.8 Flash
Open in Playground

FAQ

Common questions about Gemini 3.5 Flash-Lite vs Gemini 3.8 Flash.

Which is better, Gemini 3.5 Flash-Lite or Gemini 3.8 Flash?

Gemini 3.8 Flash leads the LLM Stats Score 51.0 to 30.1. Gemini 3.5 Flash-Lite is made by Google and Gemini 3.8 Flash is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.5 Flash-Lite compare to Gemini 3.8 Flash in benchmarks?

Gemini 3.5 Flash-Lite scores CharXiv-R: 76.5%, OSWorld-Verified: 74.0%, SWE-Bench Pro: 54.2%, Terminal-Bench 2.1: 54.0%, MLE-Bench: 39.2%. Gemini 3.8 Flash scores Terminal-Bench 2.1: 89.4%, LVBench: 87.1%, CharXiv-R: 86.2%, LABBench2: 86.2%, DeepSWE 1.1: 73.7%.

Is Gemini 3.5 Flash-Lite cheaper than Gemini 3.8 Flash?

Gemini 3.5 Flash-Lite is 2.5x cheaper for input tokens. Gemini 3.5 Flash-Lite costs $0.30/M input and $2.50/M output via google. Gemini 3.8 Flash costs $0.75/M input and $3.75/M output via google.

What are the context window sizes for Gemini 3.5 Flash-Lite and Gemini 3.8 Flash?

Gemini 3.5 Flash-Lite supports 1.0M tokens and Gemini 3.8 Flash supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.5 Flash-Lite and Gemini 3.8 Flash?

Key differences include LLM Stats Score (30.1 vs 51.0), input pricing ($0.30 vs $0.75/M). See the full comparison above for benchmark-by-benchmark results.