| Signal | Gemma 4 31B | Delta | Grok 4 |
|---|---|---|---|
Capabilities | 83 | -17 | |
Benchmarks | 86 | 0 | |
Pricing | 100 | +15 | |
Context window size | 86 | +0 | |
Recency | 100 | +16 | |
Output Capacity | 85 | +65 | |
| Overall Result | 4 wins | of 6 | 2 wins |
Score History
86
current score
Grok 4
right now
87
current score
xAI
Gemma 4 31B saves you $1016.00/month
That's $12192.00/year compared to Grok 4 at your current usage level of 100K calls/month.
| Metric | Gemma 4 31B | Grok 4 | Winner |
|---|---|---|---|
| Overall Score | 86 | 87 | Grok 4 |
| Rank | #14 | #12 | Grok 4 |
| Quality Rank | #14 | #12 | Grok 4 |
| Adoption Rank | #14 | #12 | Grok 4 |
| Parameters | 31B | -- | -- |
| Context Window | 262K | 256K | Gemma 4 31B |
| Pricing | $0.14/$0.40/M | $3.00/$15.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | Grok 4 |
| Benchmarks | 86 | 86 | Grok 4 |
| Pricing | 100 | 85 | Gemma 4 31B |
| Context window size | 86 | 86 | Gemma 4 31B |
| Recency | 100 | 84 | Gemma 4 31B |
| Output Capacity | 85 | 20 | Gemma 4 31B |
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%). Here's what the scores mean for these two models:
Scores 86/100 (rank #14), placing it in the top 96% of all 290 models tracked.
Scores 87/100 (rank #12), placing it in the top 96% of all 290 models tracked.
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.
Gemma 4 31B offers 97% better value per quality point. At 1M tokens/day, you'd spend $8.10/month with Gemma 4 31B vs $270.00/month with Grok 4 - a $261.90 monthly difference.
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.
Code generation & review
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. Gemma 4 31B also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.40/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (87/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Gemma 4 31B and Grok 4 are extremely close in overall performance (only 1 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Gemma 4 31B
Marginally better benchmark scores; both are excellent
Best for Cost
Gemma 4 31B
97% lower pricing; better value at scale
Best for Reliability
Gemma 4 31B
Higher uptime and faster response speeds
Best for Prototyping
Gemma 4 31B
Stronger community support and better developer experience
Best for Production
Gemma 4 31B
Wider enterprise adoption and proven at scale
by Google
| Capability | Gemma 4 31B | Grok 4 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
xAI
Gemma 4 31B saves you $22.67/month
That's 97% cheaper than Grok 4 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.
| Parameter | Gemma 4 31B | Grok 4 |
|---|---|---|
| Context Window | 262K | 256K |
| Max Output Tokens | 131,072 | -- |
| Open Source | Yes | No |
| Created | Apr 2, 2026 | Jul 9, 2025 |
Grok 4 scores 87/100 (rank #12) compared to Gemma 4 31B's 86/100 (rank #14), giving it a 1-point advantage. Grok 4 is the stronger overall choice, though Gemma 4 31B may excel in specific areas like cost efficiency.
Gemma 4 31B is ranked #14 and Grok 4 is ranked #12 out of 290+ AI models. Rankings use a composite score combining benchmark performance (90%) from MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations, with capabilities and context window as tiebreakers (10%). Scores update hourly.
Gemma 4 31B is cheaper at $0.40/M output tokens vs Grok 4's $15.00/M output tokens - 37.5x more expensive. Input token pricing: Gemma 4 31B at $0.14/M vs Grok 4 at $3.00/M.
Gemma 4 31B has a larger context window of 262,144 tokens compared to Grok 4's 256,000 tokens. A larger context window means the model can process longer documents and conversations.