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Gemma 4 31B vs GPT-5.4 Mini

Gemma 4 31B

Google

80#45
vs
GPT-5.4 Mini

OpenAI

79#50
Signal-by-Signal Comparison
SignalGemma 4 31BDeltaGPT-5.4 Mini
Capabilities
83
-17
100
Benchmarks
86
-4
90
Pricing
100
+4
96
Context window size
77
-3
80
Recency
100
--
100
Output Capacity
90
+5
85
Overall Result
2 wins
of 6
3 wins
GPT-5.4 Mini wins 3 of 6 signals

Score History

Score History (16 data points)
Gemma 4 31BGPT-5.4 Mini
Gemma 4 31B

80

current score

Leader

Gemma 4 31B

right now

GPT-5.4 Mini

78.8

current score

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

Gemma 4 31B

Google

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

GPT-5.4 Mini

OpenAI

Per request$0.003000
Daily$10.00
Monthly$300.00
Annual$3600.00

Gemma 4 31B saves you $270.50/month

That's $3246.00/year compared to GPT-5.4 Mini at your current usage level of 100K calls/month.

90% cheaper
Choose Gemma 4 31B for cost optimization

Gemma 4 31B pricing:
Input:$0.12/M tokens
Output:$0.35/M tokens
GPT-5.4 Mini pricing:
Input:$0.75/M tokens
Output:$4.50/M tokens
Winner
Gemma 4 31B

Google

80

Composite Score

GPT-5.4 Mini

OpenAI

79

Composite Score

Signal-by-Signal Comparison
MetricGemma 4 31BGPT-5.4 MiniWinner
Overall Score
80
79
Gemma 4 31B
Rank#45#50
Gemma 4 31B
Quality Rank#45#50
Gemma 4 31B
Adoption Rank#45#50
Gemma 4 31B
Parameters31B----
Context Window262K400K
GPT-5.4 Mini
Pricing$0.12/$0.35/M$0.75/$4.50/M--
Signal Scores
Capabilities
83
100
GPT-5.4 Mini
Benchmarks
86
90
GPT-5.4 Mini
Pricing
100
96
Gemma 4 31B
Context window size
77
80
GPT-5.4 Mini
Recency
100
100
Gemma 4 31B
Output Capacity
90
85
Gemma 4 31B
Benchmark Head-to-Head(12 benchmarks)
Gemma 4: 1GPT-5.4 Mini: 5
Gemma 4
GPT-5.4 Mini
Normalized 0-100%
MMLU
-94%
MMLU-Pro
85.2%87%
GPQA Diamond
84.3%88.5%
MATH-500
-95.5%
HumanEval
-97.5%
SWE-bench Verified
-80%
AIME 2024
89.2%-
IFEval
-93.5%
BBH
74.4%92%
Arena Elo
14511485
LiveBench
80%79%
HLE
19.5%39%
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 #45), placing it in the top 85% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
GPT-5.4 MiniStrong Performer

Scores 79/100 (rank #50), placing it in the top 83% 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 Gemma 4 31B 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

Choose GPT-5.4 Mini when you need:

  • Processing long documents or large codebases (400K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Gemma 4 31BBest Value
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
GPT-5.4 Mini
Input cost$0.75/M tokens
Output cost$4.50/M tokens
Cost per quality point$0.067
Est. monthly (1M tokens/day)$78.75

Gemma 4 31B offers 91% better value per quality point. At 1M tokens/day, you'd spend $7.05/month with Gemma 4 31B vs $78.75/month with GPT-5.4 Mini - a $71.70 monthly difference.

Latency & Speed
Gemma 4 31BFaster
Speed score0/100
GPT-5.4 Mini
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 also offers lower per-token costs for high-volume support

Gemma 4 31B

Long document analysis

Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5.4 Mini

Batch data extraction

Lower output pricing ($0.35/M) reduces costs when processing thousands of records daily

Gemma 4 31B

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 GPT-5.4 Mini are extremely close in overall performance (only 1.2000000000000028 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 Cost - 91% 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 OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityGemma 4 31BGPT-5.4 Mini
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)

Gemma 4 31B

Google

Best Value
$0.6360
estimated monthly cost

GPT-5.4 Mini

OpenAI

$6.75
estimated monthly cost

Gemma 4 31B saves you $6.11/month

That's 91% cheaper than GPT-5.4 Mini 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 31BGPT-5.4 Mini
Context Window262K400K
Max Output Tokens262,144128,000
Open SourceYesNo
CreatedApr 2, 2026Mar 17, 2026
Last updated: 57m ago

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Gemma 4 31B vs GPT-5.4 Mini (2026) | LM Market Cap