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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Google: Gemma 4 31B vs Grok 4

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Google: Gemma 4 31B vs Grok 4 benchmark

In this head-to-head showdown, Google: Gemma 4 31B is more budget-friendly at $0.34/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Google: Gemma 4 31B and Grok 4 present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Google
Google: Gemma 4 31B

Auto-discovered from OpenRouter (google/gemma-4-31b-it). Preview until a second source matches.

$0.33999999999999997/1M out
xAI
Grok 4

Previous xAI flagship.

Grok 4.0Elo 1,488$15/1M out
Top Rival Showdowns for Google: Gemma 4 31B
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Grok 4.6vs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar Leader

Google: Gemma 4 31B

$0.33999999999999997 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect
Percentile 0–100
Dimensional AdvantageGrok 4 4/6
Head-to-Head Comparison

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Google: Gemma 4 31B (3)vsGrok 4 (6)
Google: Gemma 4 31B: 3W (33%)Overall: Grok 4Grok 4: 6W (67%)
← Google: Gemma 4 31BGrok 4 →
Grok 4 (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo
—vs1,488
Coding Elo
—vs—
SWE-bench
—vs58.6%
LiveBench
—vs64.1%
GPQA Diamond
—vs79%
Google: Gemma 4 31B: 0WGrok 4: 4W
Grok 4 (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
—vs98 tok/s
Time to first token
—vs230 ms
Google: Gemma 4 31B: 0WGrok 4: 2W
Google: Gemma 4 31B (3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$0.34/1Mvs$15/1M
Input price
$0.1/1Mvs$3/1M
Context window
262kvs256k
Google: Gemma 4 31B: 3WGrok 4: 0W

Side-by-Side Benchmark Matrix

Preference Elo
Google: Gemma 4 31B—
Grok 41,488
lmarena · Aug 17, 2026
LiveBench
Google: Gemma 4 31B—
Grok 464.1%
livebench · Aug 17, 2026
SWE-bench
Google: Gemma 4 31B—
Grok 458.6%
swebench · Aug 17, 2026
GPQA Diamond
Google: Gemma 4 31B—
Grok 479%
seed-bootstrap · Aug 1, 2026
Time to first token
Google: Gemma 4 31B—
Grok 4230 ms
seed-bootstrap · Aug 1, 2026
Output speed
Google: Gemma 4 31B—
Grok 498 tok/s
seed-bootstrap · Aug 1, 2026
Input priceGoogle: Gemma 4 31B (+$2.9/1M)
Google: Gemma 4 31B$0.1/1M
openrouter · Aug 17, 2026
Grok 4$3/1M
seed-bootstrap · Aug 1, 2026
Output priceGoogle: Gemma 4 31B (+$14.66/1M)
Google: Gemma 4 31B$0.34/1M
openrouter · Aug 17, 2026
Grok 4$15/1M
seed-bootstrap · Aug 1, 2026
Context windowGoogle: Gemma 4 31B (+6k)
Google: Gemma 4 31B262k
openrouter · Aug 17, 2026
Grok 4256k
seed-bootstrap · Aug 1, 2026
BenchmarkGoogle: Gemma 4 31BGrok 4Advantage Delta
Preference Elo—
1,488
lmarena · Aug 17, 2026
—
LiveBench—
64.1%
livebench · Aug 17, 2026
—
SWE-bench—
58.6%
swebench · Aug 17, 2026
—
GPQA Diamond—
79%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
230 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
98 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$0.1/1M
openrouter · Aug 17, 2026
$3/1M
seed-bootstrap · Aug 1, 2026
Google: Gemma 4 31B (+$2.9/1M)
Output price
$0.34/1M
openrouter · Aug 17, 2026
$15/1M
seed-bootstrap · Aug 1, 2026
Google: Gemma 4 31B (+$14.66/1M)
Context window
262k
openrouter · Aug 17, 2026
256k
seed-bootstrap · Aug 1, 2026
Google: Gemma 4 31B (+6k)
Interactive Simulator (USD)

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save up to 97% with Google: Gemma 4 31B
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Google: Gemma 4 31B$8.60 / mo
In: $3.5Out: $5.1
Grok 4$330.00 / mo
In: $105Out: $225
Estimated Cost Delta

Google: Gemma 4 31B is estimated to save $321.40/month ($3,857/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Google: Gemma 4 31B:Pick Google: Gemma 4 31B when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatGoogle: Gemma 4 31B

Lower output list price ($0.34/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGoogle: Gemma 4 31B

Larger window (262k).

Screenshots / visionGrok 4

Grok 4 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatGoogle: Gemma 4 31BLower output list price ($0.34/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGoogle: Gemma 4 31BLarger window (262k).
Screenshots / visionGrok 4Grok 4 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchJul 10, 2025

Grok 4 remains the previous xAI flagship on this catalog

2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
Google

Google: Gemma 4 31B

Elo n/a
LiveBench—
SWE-bench—
Speed—
Output cost$0.34/1M
xAI

Grok 4

Elo 1,488
LiveBench64.1%
SWE-bench58.6%
Speed98 tok/s
Output cost$15/1M

Frequently Asked Questions

Which is better overall, Google: Gemma 4 31B or Grok 4?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Google: Gemma 4 31B or Grok 4?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Google: Gemma 4 31B output tokens are $0.34/1M versus $15/1M. Input prices and retry rates still move the real bill.
Which is faster, Google: Gemma 4 31B or Grok 4?
We do not have TTFT for both models.
Which has the larger context window?
Google: Gemma 4 31B accepts 262k tokens versus 256k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Google: Gemma 4 31B and Grok 4 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Jul 10, 2025

    Grok 4 remains the previous xAI flagship on this catalog

Similar Head-to-Head Comparisons

All Google: Gemma 4 31B matchups →|All Grok 4 matchups →
Grok 4 vs Grok 3 (previous grok)Grok 4 vs Grok 4.6 (next grok)Gemini 3 Pro vs Grok 4Gemini 3 Flash vs Grok 4Gemini 2.0 Flash Thinking vs Grok 4Gemini 3.6 Pro vs Grok 4