| Signal | Grok Code Fast 1 | Delta | Qwen3.5 Plus 2026-02-15 |
|---|---|---|---|
Capabilities | 83 | -- | |
Pricing | 2 | 0 | |
Context window size | 86 | -9 | |
Recency | 96 | -4 | |
Output Capacity | 67 | -14 | |
| Overall Result | 0 wins | of 5 | 4 wins |
2
days ranked higher
1
days
27
days ranked higher
xAI
Alibaba
Grok Code Fast 1 saves you $9.00/month
That's $108.00/year compared to Qwen3.5 Plus 2026-02-15 at your current usage level of 100K calls/month.
| Metric | Grok Code Fast 1 | Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| Overall Score | 84 | 89 | Qwen3.5 Plus 2026-02-15 |
| Rank | #60 | #34 | Qwen3.5 Plus 2026-02-15 |
| Quality Rank | #60 | #34 | Qwen3.5 Plus 2026-02-15 |
| Adoption Rank | #60 | #34 | Qwen3.5 Plus 2026-02-15 |
| Parameters | -- | -- | -- |
| Context Window | 256K | 1000K | Qwen3.5 Plus 2026-02-15 |
| Pricing | $0.20/$1.50/M | $0.26/$1.56/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 83 | Grok Code Fast 1 |
| Pricing | 2 | 2 | Qwen3.5 Plus 2026-02-15 |
| Context window size | 86 | 95 | Qwen3.5 Plus 2026-02-15 |
| Recency | 96 | 100 | Qwen3.5 Plus 2026-02-15 |
| Output Capacity | 67 | 80 | Qwen3.5 Plus 2026-02-15 |
Our composite score (0–100) combines six weighted signals: benchmark performance (25%), pricing efficiency (25%), context window size (15%), model recency (15%), output capacity (10%), and capability versatility (10%). Here's what the scores mean for these two models:
Scores 84/100 (rank #60), placing it in the top 80% of all 290 models tracked.
Scores 89/100 (rank #34), placing it in the top 89% of all 290 models tracked.
With only a 5-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.
Grok Code Fast 1 offers 7% better value per quality point. At 1M tokens/day, you'd spend $25.50/month with Grok Code Fast 1 vs $27.30/month with Qwen3.5 Plus 2026-02-15 — a $1.80 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 Code Fast 1 also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($1.50/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (89/100) 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
Qwen3.5 Plus 2026-02-15 has a moderate advantage with a 4.699999999999989-point lead in composite score. It wins on more signal dimensions, but Grok Code Fast 1 has specific strengths that could make it the better choice for certain workflows.
Best for Quality
Grok Code Fast 1
Marginally better benchmark scores; both are excellent
Best for Cost
Grok Code Fast 1
7% lower pricing; better value at scale
Best for Reliability
Grok Code Fast 1
Higher uptime and faster response speeds
Best for Prototyping
Grok Code Fast 1
Stronger community support and better developer experience
Best for Production
Grok Code Fast 1
Wider enterprise adoption and proven at scale
by xAI
| Capability | Grok Code Fast 1 | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
xAI
Alibaba
Grok Code Fast 1 saves you $0.1800/month
That's 8% cheaper than Qwen3.5 Plus 2026-02-15 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 Code Fast 1 | Qwen3.5 Plus 2026-02-15 |
|---|---|---|
| Context Window | 256K | 1M |
| Max Output Tokens | 10,000 | 65,536 |
| Open Source | No | No |
| Created | Aug 26, 2025 | Feb 16, 2026 |
Qwen3.5 Plus 2026-02-15 scores 89/100 (rank #34) compared to Grok Code Fast 1's 84/100 (rank #60), giving it a 5-point advantage. Qwen3.5 Plus 2026-02-15 is the stronger overall choice, though Grok Code Fast 1 may excel in specific areas like cost efficiency.
Grok Code Fast 1 is ranked #60 and Qwen3.5 Plus 2026-02-15 is ranked #34 out of 290+ AI models. Rankings use a composite score combining benchmark performance (25%), pricing (25%), context window (15%), recency (15%), output capacity (10%), and versatility (10%). Scores update hourly.
Grok Code Fast 1 is cheaper at $1.50/M output tokens vs Qwen3.5 Plus 2026-02-15's $1.56/M output tokens — 1.0x more expensive. Input token pricing: Grok Code Fast 1 at $0.20/M vs Qwen3.5 Plus 2026-02-15 at $0.26/M.
Qwen3.5 Plus 2026-02-15 has a larger context window of 1,000,000 tokens compared to Grok Code Fast 1's 256,000 tokens. A larger context window means the model can process longer documents and conversations.