Qwen3.5 Plus 2026-04-20 vs Grok Build 0.1
| Signal | Qwen3.5 Plus 2026-04-20 | Delta | Grok Build 0.1 |
|---|---|---|---|
Capabilities | 83 | -17 | |
Pricing | 98 | +0 | |
Context window size | 95 | +9 | |
Recency | 100 | -- | |
Output Capacity | 77 | -9 | |
| Overall Result | 2 wins | of 5 | 2 wins |
Score History
74.8
current score
Qwen3.5 Plus 2026-04-20
right now
40
current score
Qwen3.5 Plus 2026-04-20
Alibaba
Grok Build 0.1
xAI
Qwen3.5 Plus 2026-04-20 saves you $80.00/month
That's $960.00/year compared to Grok Build 0.1 at your current usage level of 100K calls/month.
| Metric | Qwen3.5 Plus 2026-04-20 | Grok Build 0.1 | Winner |
|---|---|---|---|
| Overall Score | 75 | 40 | Qwen3.5 Plus 2026-04-20 |
| Rank | #129 | #305 | Qwen3.5 Plus 2026-04-20 |
| Quality Rank | #129 | #305 | Qwen3.5 Plus 2026-04-20 |
| Adoption Rank | #129 | #305 | Qwen3.5 Plus 2026-04-20 |
| Parameters | -- | -- | -- |
| Context Window | 1000K | 256K | Qwen3.5 Plus 2026-04-20 |
| Pricing | $0.30/$1.80/M | $1.00/$2.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | Grok Build 0.1 |
| Pricing | 98 | 98 | Qwen3.5 Plus 2026-04-20 |
| Context window size | 95 | 86 | Qwen3.5 Plus 2026-04-20 |
| Recency | 100 | 100 | Qwen3.5 Plus 2026-04-20 |
| Output Capacity | 77 | 86 | Grok Build 0.1 |
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 75/100 (rank #129), placing it in the top 56% of all 290 models tracked.
Scores 40/100 (rank #305), placing it in the top -5% of all 290 models tracked.
Qwen3.5 Plus 2026-04-20 has a 35-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose Qwen3.5 Plus 2026-04-20 when you need:
- Processing long documents or large codebases (1000K token context)
- Step-by-step reasoning and chain-of-thought problem solving
Choose Grok Build 0.1 when you need:
- Step-by-step reasoning and chain-of-thought problem solving
Qwen3.5 Plus 2026-04-20 offers 30% better value per quality point. At 1M tokens/day, you'd spend $31.50/month with Qwen3.5 Plus 2026-04-20 vs $45.00/month with Grok Build 0.1 - a $13.50 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. Qwen3.5 Plus 2026-04-20 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 ($1.80/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (75/100) 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 2026-04-20 clearly outperforms Grok Build 0.1 with a significant 34.8-point lead. For most general use cases, Qwen3.5 Plus 2026-04-20 is the stronger choice. However, Grok Build 0.1 may still excel in niche scenarios.
By Use Case
Best for Quality
Qwen3.5 Plus 2026-04-20
Marginally better benchmark scores; both are excellent
Best for Cost
Qwen3.5 Plus 2026-04-20
30% lower pricing; better value at scale
Best for Reliability
Qwen3.5 Plus 2026-04-20
Higher uptime and faster response speeds
Best for Prototyping
Qwen3.5 Plus 2026-04-20
Stronger community support and better developer experience
Best for Production
Qwen3.5 Plus 2026-04-20
Wider enterprise adoption and proven at scale
by Alibaba
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Cost - 30% lower pricing; better value at scale
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | Qwen3.5 Plus 2026-04-20 | Grok Build 0.1 |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
Qwen3.5 Plus 2026-04-20
Alibaba
Grok Build 0.1
xAI
Qwen3.5 Plus 2026-04-20 saves you $1.50/month
That's 36% cheaper than Grok Build 0.1 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 | Qwen3.5 Plus 2026-04-20 | Grok Build 0.1 |
|---|---|---|
| Context Window | 1M | 256K |
| Max Output Tokens | 65,536 | 230,400 |
| Open Source | No | No |
| Created | Apr 27, 2026 | May 20, 2026 |