| Signal | Grok 4 Fast | Delta | OpenAI GPT Mini Latest |
|---|---|---|---|
Capabilities | 100 | -- | |
Benchmarks | 70 | +70 | |
Pricing | 100 | +4 | |
Context window size | 100 | +11 | |
Recency | 90 | -10 | |
Output Capacity | 75 | -10 | |
| Overall Result | 3 wins | of 6 | 2 wins |
Score History
72.5
current score
Grok 4 Fast
right now
40
current score
xAI
~openai
Grok 4 Fast saves you $255.00/month
That's $3060.00/year compared to OpenAI GPT Mini Latest at your current usage level of 100K calls/month.
| Metric | Grok 4 Fast | OpenAI GPT Mini Latest | Winner |
|---|---|---|---|
| Overall Score | 73 | 40 | Grok 4 Fast |
| Rank | #80 | #192 | Grok 4 Fast |
| Quality Rank | #80 | #192 | Grok 4 Fast |
| Adoption Rank | #80 | #192 | Grok 4 Fast |
| Parameters | -- | -- | -- |
| Context Window | 2000K | 400K | Grok 4 Fast |
| Pricing | $0.20/$0.50/M | $0.75/$4.50/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 100 | Grok 4 Fast |
| Benchmarks | 70 | -- | Grok 4 Fast |
| Pricing | 100 | 96 | Grok 4 Fast |
| Context window size | 100 | 89 | Grok 4 Fast |
| Recency | 90 | 100 | OpenAI GPT Mini Latest |
| Output Capacity | 75 | 85 | OpenAI GPT Mini Latest |
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.
Scores 73/100 (rank #80), placing it in the top 73% of all 290 models tracked.
Scores 40/100 (rank #192), placing it in the top 34% of all 290 models tracked.
Grok 4 Fast has a 33-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Grok 4 Fast offers 87% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with Grok 4 Fast vs $78.75/month with OpenAI GPT Mini Latest - a $68.25 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
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Grok 4 Fast also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (2000K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.50/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (73/100) 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
Grok 4 Fast clearly outperforms OpenAI GPT Mini Latest with a significant 32.5-point lead. For most general use cases, Grok 4 Fast is the stronger choice. However, OpenAI GPT Mini Latest may still excel in niche scenarios.
Best for Quality
Grok 4 Fast
Marginally better benchmark scores; both are excellent
Best for Cost
Grok 4 Fast
87% lower pricing; better value at scale
Best for Reliability
Grok 4 Fast
Higher uptime and faster response speeds
Best for Prototyping
Grok 4 Fast
Stronger community support and better developer experience
Best for Production
Grok 4 Fast
Wider enterprise adoption and proven at scale
by xAI
| Capability | Grok 4 Fast | OpenAI GPT Mini Latest |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
xAI
~openai
Grok 4 Fast saves you $5.79/month
That's 86% cheaper than OpenAI GPT Mini Latest 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 | Grok 4 Fast | OpenAI GPT Mini Latest |
|---|---|---|
| Context Window | 2M | 400K |
| Max Output Tokens | 30,000 | 128,000 |
| Open Source | No | No |
| Created | Sep 19, 2025 | Apr 27, 2026 |