| Signal | Grok 4 Fast | Delta | Qwen3.6 Plus |
|---|---|---|---|
Capabilities | 100 | +17 | |
Benchmarks | 70 | +70 | |
Pricing | 100 | +1 | |
Context window size | 100 | +5 | |
Recency | 96 | -4 | |
Output Capacity | 75 | -6 | |
| Overall Result | 4 wins | of 6 | 2 wins |
Score History
72.5
current score
Grok 4 Fast
right now
40
current score
xAI
Alibaba
Grok 4 Fast saves you $85.00/month
That's $1020.00/year compared to Qwen3.6 Plus at your current usage level of 100K calls/month.
| Metric | Grok 4 Fast | Qwen3.6 Plus | Winner |
|---|---|---|---|
| Overall Score | 73 | 40 | Grok 4 Fast |
| Rank | #66 | #170 | Grok 4 Fast |
| Quality Rank | #66 | #170 | Grok 4 Fast |
| Adoption Rank | #66 | #170 | Grok 4 Fast |
| Parameters | -- | -- | -- |
| Context Window | 2000K | 1000K | Grok 4 Fast |
| Pricing | $0.20/$0.50/M | $0.33/$1.95/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 83 | Grok 4 Fast |
| Benchmarks | 70 | -- | Grok 4 Fast |
| Pricing | 100 | 98 | Grok 4 Fast |
| Context window size | 100 | 95 | Grok 4 Fast |
| Recency | 96 | 100 | Qwen3.6 Plus |
| Output Capacity | 75 | 80 | Qwen3.6 Plus |
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 #66), placing it in the top 78% of all 290 models tracked.
Scores 40/100 (rank #170), placing it in the top 42% 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 69% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with Grok 4 Fast vs $34.13/month with Qwen3.6 Plus - a $23.63 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. 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 Qwen3.6 Plus with a significant 32.5-point lead. For most general use cases, Grok 4 Fast is the stronger choice. However, Qwen3.6 Plus 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
69% 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 | Qwen3.6 Plus |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
xAI
Alibaba
Grok 4 Fast saves you $1.96/month
That's 67% cheaper than Qwen3.6 Plus 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 | Qwen3.6 Plus |
|---|---|---|
| Context Window | 2M | 1M |
| Max Output Tokens | 30,000 | 65,536 |
| Open Source | No | No |
| Created | Sep 19, 2025 | Apr 2, 2026 |
Grok 4 Fast scores 73/100 (rank #66) compared to Qwen3.6 Plus's 40/100 (rank #170), giving it a 33-point advantage. Grok 4 Fast is the stronger overall choice, though Qwen3.6 Plus may excel in specific areas like certain benchmarks.
Grok 4 Fast is ranked #66 and Qwen3.6 Plus is ranked #170 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.
Grok 4 Fast is cheaper at $0.50/M output tokens vs Qwen3.6 Plus's $1.95/M output tokens - 3.9x more expensive. Input token pricing: Grok 4 Fast at $0.20/M vs Qwen3.6 Plus at $0.33/M.
Grok 4 Fast has a larger context window of 2,000,000 tokens compared to Qwen3.6 Plus's 1,000,000 tokens. A larger context window means the model can process longer documents and conversations.