head-to-head · model vs model
GPT-5.5 Pro vs Nemotron 3 Ultra
Live matchup data for GPT-5.5 Pro and Nemotron 3 Ultra: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.
share of openrouter tokens
usage compares on other signals below
usage share — openrouter model rankings
Usage crossover
source: OpenRouter model rankings · daily · 90d · no OpenRouter feed: GPT-5.5 Pro
through Aug 20, 2026
side by side
Spec & pricing
| Spec | GPT-5.5 Pro | Nemotron 3 Ultra |
|---|---|---|
| Vendor | OpenAI | NVIDIA |
| Homepage | openrouter.ai | openrouter.ai |
| Context window | 1.1M tokens | 512.3K tokens |
| Input price | $30.00/MTok | $0.6/MTok |
| Output price | $180/MTok | $3.60/MTok |
| Cache read | — | $0.2/MTok |
| Price as of | Aug 21, 2026 · openrouter | Aug 21, 2026 · openrouter |
sources: provider pages · OpenRouter · GitHub · package registries
— = not tracked / not applicable
head to head
Benchmarks
| Benchmark | GPT-5.5 Pro | Nemotron 3 Ultra | Source |
|---|---|---|---|
| aa-agentic-index | — | 27.5 index— · nvidia/nemotron-3-ultra-550b-a55b:batch | openrouter.ai |
| aa-coding-index | — | 49.3 index— · nvidia/nemotron-3-ultra-550b-a55b:free | openrouter.ai |
| aa-intelligence-index | — | 38.3 index— · nvidia/nemotron-3-ultra-550b-a55b:batch | openrouter.ai |
best tracked score per benchmark · scores are not directly comparable across benchmarks
sources linked per row
community pulse
Reddit sentiment
| Signal | GPT-5.5 Pro | 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 GPT-5.5 Pro more used than Nemotron 3 Ultra?
- The Token Tape tracks daily OpenRouter usage for this matchup, but GPT-5.5 Pro has no usage feed yet, so no usage comparison is published. Pricing, benchmarks, and sentiment compare on the available signals.
- How does GPT-5.5 Pro pricing compare to Nemotron 3 Ultra?
- GPT-5.5 Pro runs $30.00 per million input tokens and $180 per million output tokens (as of Aug 21, 2026). Nemotron 3 Ultra runs $0.6 per million input tokens and $3.60 per million output tokens (as of Aug 21, 2026). Full plan and per-token detail is in the spec table above, each with its source and capture date.
- How do GPT-5.5 Pro and Nemotron 3 Ultra score on coding benchmarks?
- The tape holds 0 tracked results for GPT-5.5 Pro and 9 for Nemotron 3 Ultra, but none on a shared benchmark yet — scores are listed side by side without a common baseline.
- 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.
alerts
Get the weekly tape — usage moves, price changes, and new benchmark results for tracked matchups.