Nemotron 3 Ultra 550B A55B vs Gemini 3.1 Flash Lite vs Qwen3.6 27B
Gemini 3.1 Flash Lite comes out ahead, 73 to 56 and 50 on our weighted score, and it is the cheaper option too.
NVIDIANemotron 3 Ultra 550B A55B
50/100- ECI146.2
- Price$0.50 / $2.50
- Context1M
- Our pick
GoogleGemini 3.1 Flash Lite
73/100- ECI—
- Price$0.25 / $1.50
- Context1.05M
Alibaba (Qwen)Qwen3.6 27B
56/100- ECI146.5
- Price$0.60 / $3.60
- Context262K
Gemini 3.1 Flash Lite is our pick
Gemini 3.1 Flash Lite is the better all-round choice, scoring 73/100 against Qwen3.6 27B (56) and Nemotron 3 Ultra 550B A55B (50). It leads on price and inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceGemini 3.1 Flash LiteGemini 3.1 Flash Lite $0.563 · Nemotron 3 Ultra 550B A55B $1.00 · Qwen3.6 27B $1.35 per 1M tokens (3:1 blend)
- Longest contextGemini 3.1 Flash LiteGemini 3.1 Flash Lite 1,048,576 · Nemotron 3 Ultra 550B A55B 1,000,000 · Qwen3.6 27B 262,144 tokens
- Widest inputsGemini 3.1 Flash LiteNemotron 3 Ultra 550B A55B: Text · Gemini 3.1 Flash Lite: Text, Images, PDFs, Audio, Video · Qwen3.6 27B: Text, Images, Audio, Video
- Self-hostingNemotron 3 Ultra 550B A55B and Qwen3.6 27BPublishes downloadable weights
| Measure | Weight | Nemotron 3 Ultra 550B A55B | Gemini 3.1 Flash Lite | Qwen3.6 27B |
|---|---|---|---|---|
| Price | 50% | 50 | 62 | 44 |
| Inputs & features | 30% | 45 | 100 | 90 |
| Context window | 20% | 60 | 61 | 37 |
| Overall | 100% | 50/100 | 73/100 | 56/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Nemotron 3 Ultra 550B A55BNVIDIA | Gemini 3.1 Flash LiteGoogle | Qwen3.6 27BAlibaba (Qwen) |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | 146.2 | — | 146.5 (best) |
| ECI rank | #70 of 148 | — | #68 of 148 (best) |
| GPQA DiamondGraduate-level science questions | 85.4% | — | 85.9% (best) |
| FrontierMath Tiers 1–3Research-level mathematics | — | — | 35.1% |
| OTIS Mock AIME 2024–2025Competition mathematics | 86.7% | — | 91.1% (best) |
| Price per million tokens | |||
| Input | $0.50 | $0.25 (best) | $0.60 |
| Output | $2.50 | $1.50 (best) | $3.60 |
| Cached input | $0.15 | $0.025 (best) | — |
| Blended (3:1) | $1.00 | $0.563 (best) | $1.35 |
| Long-context rate | Same rate | Same rate | Same rate |
| Price source | Official Nvidia API | Official Google API | Official Alibaba API |
| Limits | |||
| Context window | 1,000,000 tokens | 1,048,576 tokens (best) | 262,144 tokens |
| Max output | 128,000 tokens (best) | 65,536 tokens | 65,536 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | No | Yes | Yes |
| PDFs | No | Yes | No |
| Audio | No | Yes | Yes |
| Video | No | Yes | Yes |
| Reasoning | Yes | Yesminimal · low · medium · high | Yes |
| Tool calling | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Availability | |||
| Weights | Open | Proprietary | Open |
| API model ID | nvidia/nemotron-3-ultra-550b-a55b | gemini-3.1-flash-lite | qwen3.6-27b |
| API providers | 21 | 23 | 27 (best) |
| Released | Jun 4, 2026 | May 7, 2026 | Apr 22, 2026 |
| Knowledge cutoff | — | Jan 2025 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Nemotron 3 Ultra 550B A55B$10.00
- Gemini 3.1 Flash Lite$5.50
- Qwen3.6 27B$13.20
Which should you choose?
Which is better: Nemotron 3 Ultra 550B A55B, Gemini 3.1 Flash Lite or Qwen3.6 27B?
Gemini 3.1 Flash Lite is the better all-round choice, scoring 73/100 against Qwen3.6 27B (56) and Nemotron 3 Ultra 550B A55B (50). It leads on price and inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Nemotron 3 Ultra 550B A55B, Gemini 3.1 Flash Lite or Qwen3.6 27B?
Gemini 3.1 Flash Lite is cheaper at $0.25 input / $1.50 output per million tokens (official Google API price). Nemotron 3 Ultra 550B A55B costs $0.50 input / $2.50 output per million tokens (official Nvidia API price); Qwen3.6 27B costs $0.60 input / $3.60 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $0.563 per million tokens for Gemini 3.1 Flash Lite versus $1.00 for Nemotron 3 Ultra 550B A55B (1.8× as much) and $1.35 for Qwen3.6 27B (2.4× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Nemotron 3 Ultra 550B A55B has an ECI of 146.2, Gemini 3.1 Flash Lite has not been scored yet and Qwen3.6 27B has an ECI of 146.5.
Which is better for coding?
There are no published SWE-bench Verified results for Nemotron 3 Ultra 550B A55B, Gemini 3.1 Flash Lite and Qwen3.6 27B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
Gemini 3.1 Flash Lite has the largest context window at 1,048,576 tokens, against 1,000,000 for Nemotron 3 Ultra 550B A55B and 262,144 for Qwen3.6 27B. Maximum output per response: Nemotron 3 Ultra 550B A55B up to 128,000, Gemini 3.1 Flash Lite up to 65,536, Qwen3.6 27B up to 65,536 tokens.
Which can read images, PDFs, audio or video?
Nemotron 3 Ultra 550B A55B accepts text; Gemini 3.1 Flash Lite accepts text, images, PDFs, audio and video; Qwen3.6 27B accepts text, images, audio and video. Gemini 3.1 Flash Lite handles the widest range of inputs.
Are any of these open source?
Nemotron 3 Ultra 550B A55B and Qwen3.6 27B publishes its weights and can be self-hosted; Gemini 3.1 Flash Lite is proprietary.
Which is newer?
Nemotron 3 Ultra 550B A55B is the newest, released Jun 4, 2026. Gemini 3.1 Flash Lite came out May 7, 2026; Qwen3.6 27B came out Apr 22, 2026. Knowledge cutoff: Gemini 3.1 Flash Lite Jan 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
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