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Gemini 3.1 Flash Lite Preview vs Gemma 4 31B (free)

Signal-by-Signal Comparison
SignalGemini 3.1 Flash Lite PreviewDeltaGemma 4 31B (free)
Capabilities
100
+17
83
Benchmarks
79
-7
86
Pricing
99
-1
100
Context window size
86
+9
77
Recency
100
--
100
Output Capacity
80
+15
65
Overall Result
3 wins
of 6
2 wins
Gemini 3.1 Flash Lite Preview wins 3 of 6 signals

Score History

Score History (21 data points)
Gemini 3.1 Flash Lite PreviewGemma 4 31B (free)
Gemini 3.1 Flash Lite Preview

78.9

current score

Leader

Gemma 4 31B (free)

right now

Gemma 4 31B (free)

80

current score

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

Gemini 3.1 Flash Lite Preview

Google

Per request$0.001000
Daily$3.33
Monthly$100.00
Annual$1200.00

Gemma 4 31B (free)

Google

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Gemma 4 31B (free) saves you $100.00/month

That's $1200.00/year compared to Gemini 3.1 Flash Lite Preview at your current usage level of 100K calls/month.

100% cheaper
Choose Gemma 4 31B (free) for cost optimization

Gemini 3.1 Flash Lite Preview pricing:
Input:$0.25/M tokens
Output:$1.50/M tokens
Gemma 4 31B (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Gemini 3.1 Flash Lite Preview

Google

79

Composite Score

Winner
Gemma 4 31B (free)

Google

80

Composite Score

Signal-by-Signal Comparison
MetricGemini 3.1 Flash Lite PreviewGemma 4 31B (free)Winner
Overall Score
79
80
Gemma 4 31B (free)
Rank#49#45
Gemma 4 31B (free)
Quality Rank#49#45
Gemma 4 31B (free)
Adoption Rank#49#45
Gemma 4 31B (free)
Parameters--31B--
Context Window1049K262K
Gemini 3.1 Flash Lite Preview
Pricing$0.25/$1.50/MFree--
Signal Scores
Capabilities
100
83
Gemini 3.1 Flash Lite Preview
Benchmarks
79
86
Gemma 4 31B (free)
Pricing
99
100
Gemma 4 31B (free)
Context window size
86
77
Gemini 3.1 Flash Lite Preview
Recency
100
100
Gemini 3.1 Flash Lite Preview
Output Capacity
80
65
Gemini 3.1 Flash Lite Preview
Benchmark Head-to-Head(7 benchmarks)
Gemini 3.1: 1Gemma 4: 1
Gemini 3.1
Gemma 4
Normalized 0-100%
MMLU-Pro
86.2%85.2%
GPQA Diamond
-84.3%
AIME 2024
-89.2%
BBH
-74.4%
Arena Elo
14331451
LiveBench
-80%
HLE
-19.5%
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 3.1 Flash Lite PreviewStrong Performer

Scores 79/100 (rank #49), placing it in the top 83% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Gemma 4 31B (free)Strong Performer

Scores 80/100 (rank #45), placing it in the top 85% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Gemini 3.1 Flash Lite Preview when you need:

  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Gemma 4 31B (free) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Gemini 3.1 Flash Lite Preview
Input cost$0.25/M tokens
Output cost$1.50/M tokens
Cost per quality point$0.022
Est. monthly (1M tokens/day)$26.25
Gemma 4 31B (free)
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
Gemini 3.1 Flash Lite PreviewFaster
Speed score0/100
Gemma 4 31B (free)
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 3.1 Flash Lite Preview

Customer support chatbot

Suitable for user-facing chat with competitive response times. Gemma 4 31B (free) also offers lower per-token costs for high-volume support

Gemini 3.1 Flash Lite Preview

Long document analysis

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

Gemini 3.1 Flash Lite Preview

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

Gemma 4 31B (free)

Creative writing & content

Higher overall composite score (80/100) correlates with better nuance, coherence, and style in long-form content

Gemma 4 31B (free)

Image understanding & OCR

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

Gemini 3.1 Flash Lite Preview
Which Should You Choose?
Our recommendation:
Gemma 4 31B (free)

Gemini 3.1 Flash Lite Preview and Gemma 4 31B (free) are extremely close in overall performance (only 1.0999999999999943 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • 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

  • Choose for Cost - 100% lower pricing; better value at scale
Capability Comparison
CapabilityGemini 3.1 Flash Lite PreviewGemma 4 31B (free)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Gemini 3.1 Flash Lite Preview

Google

$2.25
estimated monthly cost

Gemma 4 31B (free)

Google

Best Value
$0.000000
estimated monthly cost

Gemma 4 31B (free) saves you $2.25/month

That's 100% cheaper than Gemini 3.1 Flash Lite 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 3.1 Flash Lite PreviewGemma 4 31B (free)
Context Window1.0M262K
Max Output Tokens65,5368,192
Open SourceNoYes
CreatedMar 3, 2026Apr 2, 2026
Last updated: 30m ago

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Gemini 3.1 Flash Lite Preview vs Gemma 4 31B (free) (2026) | LM Market Cap