| Signal | GPT-4.1 | Delta | Grok 4.1 Fast |
|---|---|---|---|
Capabilities | 67 | -33 | |
Benchmarks | 70 | -5 | |
Pricing | 92 | -7 | |
Context window size | 96 | -4 | |
Recency | 62 | -38 | |
Output Capacity | 20 | -55 | |
| Overall Result | 0 wins | of 6 | 6 wins |
Score History
66.9
current score
Grok 4.1 Fast
right now
78
current score
OpenAI
xAI
Grok 4.1 Fast saves you $555.00/month
That's $6660.00/year compared to GPT-4.1 at your current usage level of 100K calls/month.
| Metric | GPT-4.1 | Grok 4.1 Fast | Winner |
|---|---|---|---|
| Overall Score | 67 | 78 | Grok 4.1 Fast |
| Rank | #118 | #52 | Grok 4.1 Fast |
| Quality Rank | #118 | #52 | Grok 4.1 Fast |
| Adoption Rank | #118 | #52 | Grok 4.1 Fast |
| Parameters | -- | -- | -- |
| Context Window | 1048K | 2000K | Grok 4.1 Fast |
| Pricing | $2.00/$8.00/M | $0.20/$0.50/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 100 | Grok 4.1 Fast |
| Benchmarks | 70 | 76 | Grok 4.1 Fast |
| Pricing | 92 | 100 | Grok 4.1 Fast |
| Context window size | 96 | 100 | Grok 4.1 Fast |
| Recency | 62 | 100 | Grok 4.1 Fast |
| Output Capacity | 20 | 75 | Grok 4.1 Fast |
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 67/100 (rank #118), placing it in the top 60% of all 290 models tracked.
Scores 78/100 (rank #52), placing it in the top 82% of all 290 models tracked.
Grok 4.1 Fast has a 11-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.
Grok 4.1 Fast offers 93% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with Grok 4.1 Fast vs $150.00/month with GPT-4.1 - a $139.50 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
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 4.1 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 (78/100) 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 4.1 Fast clearly outperforms GPT-4.1 with a significant 11.099999999999994-point lead. For most general use cases, Grok 4.1 Fast is the stronger choice. However, GPT-4.1 may still excel in niche scenarios.
Best for Quality
GPT-4.1
Marginally better benchmark scores; both are excellent
Best for Cost
Grok 4.1 Fast
93% lower pricing; better value at scale
Best for Reliability
GPT-4.1
Higher uptime and faster response speeds
Best for Prototyping
GPT-4.1
Stronger community support and better developer experience
Best for Production
GPT-4.1
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-4.1 | Grok 4.1 Fast |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
xAI
Grok 4.1 Fast saves you $12.24/month
That's 93% cheaper than GPT-4.1 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 | GPT-4.1 | Grok 4.1 Fast |
|---|---|---|
| Context Window | 1.0M | 2M |
| Max Output Tokens | -- | 30,000 |
| Open Source | No | No |
| Created | Apr 14, 2025 | Nov 19, 2025 |