DeepSeek V3.1 vs Nemotron 3.5 Lightning (free)
| Signal | DeepSeek V3.1 | Delta | Nemotron 3.5 Lightning (free) |
|---|---|---|---|
Capabilities | 67 | +17 | |
Pricing | 99 | -1 | |
Context window size | 83 | -12 | |
Recency | 52 | -48 | |
Output Capacity | 83 | +6 | |
| Overall Result | 2 wins | of 5 | 3 wins |
Score History
71.8
current score
DeepSeek V3.1
right now
40
current score
DeepSeek V3.1
DeepSeek
Nemotron 3.5 Lightning (free)
NVIDIA
Nemotron 3.5 Lightning (free) saves you $72.50/month
That's $870.00/year compared to DeepSeek V3.1 at your current usage level of 100K calls/month.
| Metric | DeepSeek V3.1 | Nemotron 3.5 Lightning (free) | Winner |
|---|---|---|---|
| Overall Score | 72 | 40 | DeepSeek V3.1 |
| Rank | #106 | #272 | DeepSeek V3.1 |
| Quality Rank | #106 | #272 | DeepSeek V3.1 |
| Adoption Rank | #106 | #272 | DeepSeek V3.1 |
| Parameters | -- | -- | -- |
| Context Window | 164K | 1000K | Nemotron 3.5 Lightning (free) |
| Pricing | $0.25/$0.95/M | Free | -- |
| Signal Scores | |||
| Capabilities | 67 | 50 | DeepSeek V3.1 |
| Pricing | 99 | 100 | Nemotron 3.5 Lightning (free) |
| Context window size | 83 | 95 | Nemotron 3.5 Lightning (free) |
| Recency | 52 | 100 | Nemotron 3.5 Lightning (free) |
| Output Capacity | 83 | 77 | DeepSeek V3.1 |
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 72/100 (rank #106), placing it in the top 64% of all 290 models tracked.
Scores 40/100 (rank #272), placing it in the top 7% of all 290 models tracked.
DeepSeek V3.1 has a 32-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 Nemotron 3.5 Lightning (free) when you need:
- High-volume production workloads where API costs must be minimized
- Processing long documents or large codebases (1000K token context)
- Step-by-step reasoning and chain-of-thought problem solving
- Self-hosted deployments where you need full control over the model
Both models are priced similarly, so the decision comes down to quality and features rather than cost.
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. Nemotron 3.5 Lightning (free) 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 ($0.00/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 Nemotron 3.5 Lightning (free) with a significant 31.799999999999997-point lead. For most general use cases, DeepSeek V3.1 is the stronger choice. However, Nemotron 3.5 Lightning (free) 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
Nemotron 3.5 Lightning (free)
100% 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 | Nemotron 3.5 Lightning (free) |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
DeepSeek V3.1
DeepSeek
Nemotron 3.5 Lightning (free)
NVIDIA
Nemotron 3.5 Lightning (free) saves you $1.59/month
That's 100% 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 | Nemotron 3.5 Lightning (free) |
|---|---|---|
| Context Window | 164K | 1M |
| Max Output Tokens | 147,456 | 65,536 |
| Open Source | Yes | Yes |
| Created | Aug 21, 2025 | Aug 11, 2026 |