head-to-head · model vs model
Grok 4.3 vs Nemotron 3 Ultra
Live matchup data for Grok 4.3 and Nemotron 3 Ultra: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.
usage share — openrouter model rankings
Usage crossover
current leader: Nemotron 3 Ultra
source: OpenRouter model rankings · daily · 90d
through Jul 7, 2026
side by side
Spec & pricing
| Spec | Grok 4.3 | Nemotron 3 Ultra |
|---|---|---|
| Vendor | xAI | NVIDIA |
| Homepage | openrouter.ai | openrouter.ai |
| Context window | 1M tokens | 1M tokens |
| Input price | $1.25/MTok | $0.00/MTok |
| Output price | $2.50/MTok | $0.00/MTok |
| Cache read | $0.2/MTok | — |
| Price as of | Jul 8, 2026 · openrouter | Jul 8, 2026 · openrouter |
sources: provider pages · OpenRouter · GitHub · package registries
— = not tracked / not applicable
head to head
Benchmarks
| Benchmark | Grok 4.3 | Nemotron 3 Ultra | Source |
|---|---|---|---|
| aa-agentic-index | 24.1 index— · x-ai/grok-4.3 | 27.4 index— · nvidia/nemotron-3-ultra-550b-a55b:free | openrouter.ai |
| aa-coding-index | 42.2 index— · x-ai/grok-4.3 | 49.3 index— · nvidia/nemotron-3-ultra-550b-a55b:free | openrouter.ai |
| aa-intelligence-index | 37.6 index— · x-ai/grok-4.3 | 37.8 index— · nvidia/nemotron-3-ultra-550b-a55b:free | openrouter.ai |
best tracked score per benchmark · scores are not directly comparable across benchmarks
sources linked per row
community pulse
Reddit sentiment
| Signal | Grok 4.3 | Nemotron 3 Ultra |
|---|---|---|
sentiment feed pending — Reddit pulse lands with the daily crawl | ||
source: Reddit mentions, LLM-classified sentiment · trailing 30d
awaiting first crawl
faq
Frequently asked
- Is Grok 4.3 more used than Nemotron 3 Ultra?
- As of Jul 7, 2026, Grok 4.3 shows 0.2% of OpenRouter token volume and Nemotron 3 Ultra shows 1.6% of OpenRouter token volume. The chart above tracks the full daily series with every lead change marked.
- How does Grok 4.3 pricing compare to Nemotron 3 Ultra?
- Grok 4.3 runs $1.25 per million input tokens and $2.50 per million output tokens (as of Jul 8, 2026). Nemotron 3 Ultra runs $0.00 per million input tokens and $0.00 per million output tokens (as of Jul 8, 2026). Full plan and per-token detail is in the spec table above, each with its source and capture date.
- How do Grok 4.3 and Nemotron 3 Ultra score on coding benchmarks?
- On aa-agentic-index, Grok 4.3 scores 24.1 index (—) and Nemotron 3 Ultra scores 27.4 index (—). All tracked results and their sources are in the benchmark table above.
- Where does this comparison data come from?
- OpenRouter public rankings (usage), provider pricing pages (plans and per-token prices), GitHub and package registries (adoption), public benchmark leaderboards, and Reddit (sentiment). Every stored datum keeps its source URL, and the tape refreshes daily. The Token Tape publishes the data without declaring a winner.
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