DeepSeek V3.1 vs Llama 3.1 8B Instruct
| Signal | DeepSeek V3.1 | Delta | Llama 3.1 8B Instruct |
|---|---|---|---|
Capabilities | 67 | +17 | |
Benchmarks | 69 | +25 | |
Pricing | 99 | -1 | |
Context window size | 83 | +2 | |
Recency | 61 | +61 | |
Output Capacity | 72 | -9 | |
| Overall Result | 4 wins | of 6 | 2 wins |
Score History
71.8
current score
DeepSeek V3.1
right now
44.5
current score
DeepSeek V3.1
DeepSeek
Llama 3.1 8B Instruct
Meta
Llama 3.1 8B Instruct saves you $63.50/month
That's $762.00/year compared to DeepSeek V3.1 at your current usage level of 100K calls/month.
| Metric | DeepSeek V3.1 | Llama 3.1 8B Instruct | Winner |
|---|---|---|---|
| Overall Score | 72 | 45 | DeepSeek V3.1 |
| Rank | #152 | #230 | DeepSeek V3.1 |
| Quality Rank | #152 | #230 | DeepSeek V3.1 |
| Adoption Rank | #152 | #230 | DeepSeek V3.1 |
| Parameters | -- | 8B | -- |
| Context Window | 164K | 131K | DeepSeek V3.1 |
| Pricing | $0.25/$0.95/M | $0.05/$0.08/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 50 | DeepSeek V3.1 |
| Benchmarks | 69 | 44 | DeepSeek V3.1 |
| Pricing | 99 | 100 | Llama 3.1 8B Instruct |
| Context window size | 83 | 81 | DeepSeek V3.1 |
| Recency | 61 | 0 | DeepSeek V3.1 |
| Output Capacity | 72 | 81 | Llama 3.1 8B Instruct |
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 72/100 (rank #152), placing it in the top 48% of all 290 models tracked.
Scores 45/100 (rank #230), placing it in the top 21% of all 290 models tracked.
DeepSeek V3.1 has a 27-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose DeepSeek V3.1 when you need:
- Step-by-step reasoning and chain-of-thought problem solving
- Self-hosted deployments where you need full control over the model
Choose Llama 3.1 8B Instruct when you need:
- High-volume production workloads where API costs must be minimized
- Self-hosted deployments where you need full control over the model
Llama 3.1 8B Instruct offers 89% better value per quality point. At 1M tokens/day, you'd spend $1.95/month with Llama 3.1 8B Instruct vs $18.00/month with DeepSeek V3.1 - a $16.05 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 (164K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.08/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (72/100) correlates with better nuance, coherence, and style in long-form content
DeepSeek V3.1 clearly outperforms Llama 3.1 8B Instruct with a significant 27.299999999999997-point lead. For most general use cases, DeepSeek V3.1 is the stronger choice. However, Llama 3.1 8B Instruct may still excel in niche scenarios.
By Use Case
Best for Quality
DeepSeek V3.1
Marginally better benchmark scores; both are excellent
Best for Cost
Llama 3.1 8B Instruct
89% lower pricing; better value at scale
Best for Reliability
DeepSeek V3.1
Higher uptime and faster response speeds
Best for Prototyping
DeepSeek V3.1
Stronger community support and better developer experience
Best for Production
DeepSeek V3.1
Wider enterprise adoption and proven at scale
by DeepSeek
- Choose for Quality - Marginally better benchmark scores; both are excellent
- 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 | DeepSeek V3.1 | Llama 3.1 8B Instruct |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
DeepSeek V3.1
DeepSeek
Llama 3.1 8B Instruct
Meta
Llama 3.1 8B Instruct saves you $1.40/month
That's 88% cheaper than DeepSeek V3.1 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 | DeepSeek V3.1 | Llama 3.1 8B Instruct |
|---|---|---|
| Context Window | 164K | 131K |
| Max Output Tokens | 32,768 | 117,964 |
| Open Source | Yes | Yes |
| Created | Aug 21, 2025 | Jul 23, 2024 |