NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Bonsai 27B
At a Glance
| Compare |  Bonsai 27BPrismML | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| CostLower is better · Published-token output estimate | #19 of 44$0.092 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.50Openrouter ↗ · Aug 29, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $2.20Openrouter ↗ · Aug 29, 2026 | Not reported |
| Context windowMaximum documented tokens | 262K | 262K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 18, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Bonsai 27B |
|---|---|---|
| Developer | NVIDIA | PrismML |
| Family | Nvidia Nemotron 3 Ultra 550b A55b Bf16 | Bonsai 27b |
| Model | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Bonsai 27B |
| Version | NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 | Bonsai 27B |
| Lifecycle | active | active |
| Released | 2026-06-04 | 2026-07-04 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 262K | 262K |
| Total parameters | 560.5B | 27B |
| Active parameters | 55B | Unknown |
| License | other | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | No |
| Self-hostable | Yes | Yes |
| Provider access | Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools, vision |
| Base model | Unknown | Qwen3.6 27B |
| Effective bit width | Unknown | 1 bit per weight |
| Language model size | Unknown | 3.53 GiB |
| Weight format | Unknown | Binary Q1_0 |
NVIDIA Nemotron 3 Ultra 550B A55B BF16 Capabilities
Bonsai 27B Capabilities
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Primary Evidence
Sources and Freshness
Questions
NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs Bonsai 27B FAQs
Is NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Bonsai 27B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
Only NVIDIA Nemotron 3 Ultra 550B A55B BF16 has a directly sourced input price: $0.50 per million tokens. Only NVIDIA Nemotron 3 Ultra 550B A55B BF16 has a directly sourced output price: $2.20 per million tokens.
Which has a larger context window, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
Neither model has a larger sourced context window in this comparison. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is 262K and Bonsai 27B is 262K.
Which performs better in benchmarks, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B be self-hosted?+
Both models have the same recorded self-hosting status: supported. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is open weight; Bonsai 27B is open weight.
Can NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Bonsai 27B understand images?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 is not documented with image input; Bonsai 27B is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
Neither has a larger sourced maximum output. NVIDIA Nemotron 3 Ultra 550B A55B BF16 is — and Bonsai 27B is —.
Do NVIDIA Nemotron 3 Ultra 550B A55B BF16 and Bonsai 27B support reasoning and tool use?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16: reasoning and tool calling. Bonsai 27B: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
NVIDIA Nemotron 3 Ultra 550B A55B BF16 has 3 sourced provider routes; Bonsai 27B has 0, so NVIDIA Nemotron 3 Ultra 550B A55B BF16 has broader tracked availability.
Which offers better value, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or Bonsai 27B?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.