| Signal | Llama 3.1 8B Instruct | Delta | Qwen3.5 Plus 2026-04-20 |
|---|---|---|---|
Capabilities | 50 | -33 | |
Benchmarks | 44 | +44 | |
Pricing | 100 | +2 | |
Context window size | 67 | -28 | |
Recency | 13 | -87 | |
Output Capacity | 70 | -10 | |
| Overall Result | 2 wins | of 6 | 4 wins |
Score History
43.8
current score
Llama 3.1 8B Instruct
right now
40
current score
Meta
Alibaba
Llama 3.1 8B Instruct saves you $155.50/month
That's $1866.00/year compared to Qwen3.5 Plus 2026-04-20 at your current usage level of 100K calls/month.
| Metric | Llama 3.1 8B Instruct | Qwen3.5 Plus 2026-04-20 | Winner |
|---|---|---|---|
| Overall Score | 44 | 40 | Llama 3.1 8B Instruct |
| Rank | #179 | #198 | Llama 3.1 8B Instruct |
| Quality Rank | #179 | #198 | Llama 3.1 8B Instruct |
| Adoption Rank | #179 | #198 | Llama 3.1 8B Instruct |
| Parameters | 8B | -- | -- |
| Context Window | 16K | 1000K | Qwen3.5 Plus 2026-04-20 |
| Pricing | $0.02/$0.05/M | $0.40/$2.40/M | -- |
| Signal Scores | |||
| Capabilities | 50 | 83 | Qwen3.5 Plus 2026-04-20 |
| Benchmarks | 44 | -- | Llama 3.1 8B Instruct |
| Pricing | 100 | 98 | Llama 3.1 8B Instruct |
| Context window size | 67 | 95 | Qwen3.5 Plus 2026-04-20 |
| Recency | 13 | 100 | Qwen3.5 Plus 2026-04-20 |
| Output Capacity | 70 | 80 | Qwen3.5 Plus 2026-04-20 |
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 44/100 (rank #179), placing it in the top 39% of all 290 models tracked.
Scores 40/100 (rank #198), placing it in the top 32% of all 290 models tracked.
With only a 4-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.
Llama 3.1 8B Instruct offers 98% better value per quality point. At 1M tokens/day, you'd spend $1.05/month with Llama 3.1 8B Instruct vs $42.00/month with Qwen3.5 Plus 2026-04-20 - a $40.95 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. Llama 3.1 8B Instruct 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 ($0.05/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (44/100) 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
Llama 3.1 8B Instruct has a moderate advantage with a 3.799999999999997-point lead in composite score. It wins on more signal dimensions, but Qwen3.5 Plus 2026-04-20 has specific strengths that could make it the better choice for certain workflows.
Best for Quality
Llama 3.1 8B Instruct
Marginally better benchmark scores; both are excellent
Best for Cost
Llama 3.1 8B Instruct
98% lower pricing; better value at scale
Best for Reliability
Llama 3.1 8B Instruct
Higher uptime and faster response speeds
Best for Prototyping
Llama 3.1 8B Instruct
Stronger community support and better developer experience
Best for Production
Llama 3.1 8B Instruct
Wider enterprise adoption and proven at scale
by Meta
| Capability | Llama 3.1 8B Instruct | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
Meta
Alibaba
Llama 3.1 8B Instruct saves you $3.50/month
That's 97% cheaper than Qwen3.5 Plus 2026-04-20 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 | Llama 3.1 8B Instruct | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Context Window | 16K | 1M |
| Max Output Tokens | 16,384 | 65,536 |
| Open Source | Yes | No |
| Created | Jul 23, 2024 | Apr 27, 2026 |