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Gemma 4 31B vs Gemma 4 31B (free)

Gemma 4 31B

Google

80#46
vs
Signal-by-Signal Comparison
SignalGemma 4 31BDeltaGemma 4 31B (free)
Capabilities
83
--
83
Benchmarks
86
--
86
Pricing
100
0
100
Context window size
77
--
77
Recency
100
--
100
Output Capacity
90
+25
65
Overall Result
1 wins
of 6
1 wins
It's a tie - both models win 1 signals each

Score History

Score History (15 data points)
Gemma 4 31BGemma 4 31B (free)
Gemma 4 31B

80

current score

Leader

Tied

right now

Gemma 4 31B (free)

80

current score

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

Gemma 4 31B

Google

Per request$0.000295
Daily$0.98
Monthly$29.50
Annual$354.00

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 $29.50/month

That's $354.00/year compared to Gemma 4 31B at your current usage level of 100K calls/month.

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

Gemma 4 31B pricing:
Input:$0.12/M tokens
Output:$0.35/M tokens
Gemma 4 31B (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Tie
Gemma 4 31B

Google

80

Composite Score

Tie
Gemma 4 31B (free)

Google

80

Composite Score

Signal-by-Signal Comparison
MetricGemma 4 31BGemma 4 31B (free)Winner
Overall Score
80
80
--
Rank#46#45
Gemma 4 31B (free)
Quality Rank#46#45
Gemma 4 31B (free)
Adoption Rank#46#45
Gemma 4 31B (free)
Parameters31B31B--
Context Window262K262K--
Pricing$0.12/$0.35/MFree--
Signal Scores
Capabilities
83
83
Gemma 4 31B
Benchmarks
86
86
Gemma 4 31B
Pricing
100
100
Gemma 4 31B (free)
Context window size
77
77
Gemma 4 31B
Recency
100
100
Gemma 4 31B
Output Capacity
90
65
Gemma 4 31B
Benchmark Head-to-Head(7 benchmarks)
Gemma 4: 07 tiesGemma 4: 0
Gemma 4
Gemma 4
Normalized 0-100%
MMLU-Pro
85.2%85.2%
GPQA Diamond
84.3%84.3%
AIME 2024
89.2%89.2%
BBH
74.4%74.4%
Arena Elo
14511451
LiveBench
80%80%
HLE
19.5%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.

Gemma 4 31BStrong Performer

Scores 80/100 (rank #46), placing it in the top 84% 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 0-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 Gemma 4 31B when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

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
Gemma 4 31B
Input cost$0.12/M tokens
Output cost$0.35/M tokens
Cost per quality point$0.006
Est. monthly (1M tokens/day)$7.05
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
Gemma 4 31BFaster
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

Gemma 4 31B

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

Gemma 4 31B

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Gemma 4 31B

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

Image understanding & OCR

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

Gemma 4 31B
Which Should You Choose?
Our recommendation:
Gemma 4 31B

Gemma 4 31B and Gemma 4 31B (free) are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

Gemma 4 31B
Recommended

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
CapabilityGemma 4 31BGemma 4 31B (free)
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)

Gemma 4 31B

Google

$0.6360
estimated monthly cost

Gemma 4 31B (free)

Google

Best Value
$0.000000
estimated monthly cost

Gemma 4 31B (free) saves you $0.6360/month

That's 100% cheaper than Gemma 4 31B 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
ParameterGemma 4 31BGemma 4 31B (free)
Context Window262K262K
Max Output Tokens262,1448,192
Open SourceYesYes
CreatedApr 2, 2026Apr 2, 2026
Last updated: 41m ago

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