| Signal | Gemini 3 Flash Preview | Delta | Grok 4 |
|---|---|---|---|
Capabilities | 83 | -17 | |
Benchmarks | 87 | -1 | |
Pricing | 3 | -12 | |
Context window size | 96 | +10 | |
Recency | 100 | +16 | |
Output Capacity | 80 | +60 | |
| Overall Result | 3 wins | of 6 | 3 wins |
5
days higher
0
days
25
days higher
xAI
Gemini 3 Flash Preview saves you $850.00/month
That's $10200.00/year compared to Grok 4 at your current usage level of 100K calls/month.
| Metric | Gemini 3 Flash Preview | Grok 4 | Winner |
|---|---|---|---|
| Overall Score | 87 | 88 | Grok 4 |
| Rank | #12 | #5 | Grok 4 |
| Quality Rank | #12 | #5 | Grok 4 |
| Adoption Rank | #12 | #5 | Grok 4 |
| Parameters | -- | -- | -- |
| Context Window | 1049K | 256K | Gemini 3 Flash Preview |
| Pricing | $0.50/$3.00/M | $3.00/$15.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | Grok 4 |
| Benchmarks | 87 | 88 | Grok 4 |
| Pricing | 3 | 15 | Grok 4 |
| Context window size | 96 | 86 | Gemini 3 Flash Preview |
| Recency | 100 | 84 | Gemini 3 Flash Preview |
| Output Capacity | 80 | 20 | Gemini 3 Flash Preview |
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 87/100 (rank #12), placing it in the top 96% of all 290 models tracked.
Scores 88/100 (rank #5), placing it in the top 99% 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.
Gemini 3 Flash Preview offers 81% better value per quality point. At 1M tokens/day, you'd spend $52.50/month with Gemini 3 Flash Preview vs $270.00/month with Grok 4 - a $217.50 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. Gemini 3 Flash Preview also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($3.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (88/100) 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
Gemini 3 Flash Preview and Grok 4 are extremely close in overall performance (only 1.4000000000000057 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Gemini 3 Flash Preview
Marginally better benchmark scores; both are excellent
Best for Cost
Gemini 3 Flash Preview
81% lower pricing; better value at scale
Best for Reliability
Gemini 3 Flash Preview
Higher uptime and faster response speeds
Best for Prototyping
Gemini 3 Flash Preview
Stronger community support and better developer experience
Best for Production
Gemini 3 Flash Preview
Wider enterprise adoption and proven at scale
by Google
| Capability | Gemini 3 Flash Preview | Grok 4 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
xAI
Gemini 3 Flash Preview saves you $18.90/month
That's 81% 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 | Gemini 3 Flash Preview | Grok 4 |
|---|---|---|
| Context Window | 1.0M | 256K |
| Max Output Tokens | 65,536 | -- |
| Open Source | No | No |
| Created | Dec 17, 2025 | Jul 9, 2025 |
Grok 4 scores 88/100 (rank #5) compared to Gemini 3 Flash Preview's 87/100 (rank #12), giving it a 1-point advantage. Grok 4 is the stronger overall choice, though Gemini 3 Flash Preview may excel in specific areas like cost efficiency.
Gemini 3 Flash Preview is ranked #12 and Grok 4 is ranked #5 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.
Gemini 3 Flash Preview is cheaper at $3.00/M output tokens vs Grok 4's $15.00/M output tokens - 5.0x more expensive. Input token pricing: Gemini 3 Flash Preview at $0.50/M vs Grok 4 at $3.00/M.
Gemini 3 Flash Preview has a larger context window of 1,048,576 tokens compared to Grok 4's 256,000 tokens. A larger context window means the model can process longer documents and conversations.