Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, NVIDIA: Nemotron 3.5 Lightning (free) is more budget-friendly at $0/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
3 benchmarks evaluated across capability, speed, and cost
DeepSeek Jul 31 2026 price-performance SKU. Public listings put it near $0.14/$0.28 per 1M tokens.
Auto-discovered from OpenRouter (nvidia/nemotron-3.5-lightning:free). Preview until a second source matches.
Currently comparing DeepSeek V4 Flash vs NVIDIA: Nemotron 3.5 Lightning (free). Alternative family tiers available.
Single model data
No latency data
$0 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | DeepSeek V4 Flash | NVIDIA: Nemotron 3.5 Lightning (free) | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 142 tok/s | — | — |
| Input price | $0.14/1M | +$0.14/1M | |
| Output price | $0.28/1M | +$0.28/1M | |
| Context window | +311k |
Need SWE-bench on both sides.
Lower output list price ($0/1M).
Need TTFT on both sides.
Larger window (1.3M).
NVIDIA: Nemotron 3.5 Lightning (free) is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | NVIDIA: Nemotron 3.5 Lightning (free) | Lower output list price ($0/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | DeepSeek V4 Flash | Larger window (1.3M). |
| Screenshots / vision | NVIDIA: Nemotron 3.5 Lightning (free) | NVIDIA: Nemotron 3.5 Lightning (free) is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
