Nemotron 3.5 Lightning vs. Solar Pro 4
Comparison between Nemotron 3.5 Lightning and Solar Pro 4 across intelligence, price, speed, context window and more.
For details relating to our methodology, see our Methodology page.
Highlights
Model Comparison
Nemotron 3.5 Lightning | Solar Pro 4 | ||
|---|---|---|---|
| Intelligence Index | 24 | 42 | Solar Pro 4 is more intelligent than Nemotron 3.5 Lightning |
| Price per 1M Tokens | $0.07 | $0.22 | Nemotron 3.5 Lightning is cheaper than Solar Pro 4 |
| Output Speed | 293 tokens/s | 62 tokens/s | Nemotron 3.5 Lightning is faster than Solar Pro 4 |
| Time to First Token | 1.04s | 2.14s | Nemotron 3.5 Lightning responds faster than Solar Pro 4 |
| Context Window | 1000k tokens~1,500 A4 pages of size 12 Arial font | 512k tokens~768 A4 pages of size 12 Arial font | Nemotron 3.5 Lightning has a larger context window than Solar Pro 4 |
| Release Date | August 2026 | August 2026 | Nemotron 3.5 Lightning has a more recent release date than Solar Pro 4 |
| Reasoning | Yes | Yes | Both Nemotron 3.5 Lightning and Solar Pro 4 have reasoning |
| Image Input Support | No | No | Neither Nemotron 3.5 Lightning nor Solar Pro 4 have image input support |
| Open Source (Weights) | Yes | No | Nemotron 3.5 Lightning is open source while Solar Pro 4 is proprietary |
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Evaluations
Agentic real-world work tasks, (Elo-500)/2000
Agentic tool use
Agentic coding & terminal use
Coding
Reasoning & knowledge
Scientific reasoning
Physics reasoning
Knowledge
1 - hallucination rate
Long context reasoning
Agentic knowledge work, Elo
Agentic SaaS workflows
Legal agentic work, criterion pass rate
Agentic business operations
Quantitative analysis on spreadsheets & documents
Instruction following
Long-horizon agentic tasks
Kubernetes incident root-cause analysis
Visual reasoning
AA-Briefcase
AA-Briefcase Elo
AA-Omniscience
AA-Omniscience Index
Openness Index
Artificial Analysis Openness Index: Score
Intelligence Index Comparisons
Intelligence Index vs. Cost per Intelligence Index Task
Token Use
Output Tokens per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Speed
Measured by Output Speed (tokens per second)
Output Speed
Time per Intelligence Index Task
Latency
Measured by Time (seconds) to First Token
Latency: Time To First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Model Size (Open Weights Models Only)
Model Size: Total and Active Parameters
Frequently Asked Questions
Solar Pro 4 is more intelligent. Solar Pro 4 scores 42, compared with Nemotron 3.5 Lightning at 24 on the Artificial Analysis Intelligence Index.
Nemotron 3.5 Lightning is faster. Nemotron 3.5 Lightning generates 293.2 tokens per second, compared with Solar Pro 4 at 62.3 tokens per second.
Nemotron 3.5 Lightning is cheaper. Nemotron 3.5 Lightning costs $0.07 per 1M tokens, compared with Solar Pro 4 at $0.22 per 1M tokens (7:2:1 cache hit/input/output ratio).
Nemotron 3.5 Lightning has lower latency. Nemotron 3.5 Lightning has a time to first token of 1.04s, compared with Solar Pro 4 at 2.14s.
Nemotron 3.5 Lightning has a larger context window. Nemotron 3.5 Lightning supports 1.0M tokens, compared with Solar Pro 4 at 510k tokens.