MiniMax-M2 Her vs Nemotron 3 Ultra 550B A55B
Nemotron 3 Ultra 550B A55B comes out ahead, 50 to 45 on our weighted score, though MiniMax-M2 Her is 48% cheaper per token.
MiniMaxMiniMax-M2 Her
45/100- ECI—
- Price$0.30 / $1.20
- Context66K
- Our pick
NVIDIANemotron 3 Ultra 550B A55B
50/100- ECI146.2
- Price$0.50 / $2.50
- Context1M
Add a model
Make it a three-way comparison.
Nemotron 3 Ultra 550B A55B is our pick
Nemotron 3 Ultra 550B A55B is the better all-round choice, scoring 50/100 against MiniMax-M2 Her (45). It leads on inputs & features and context window. MiniMax-M2 Her wins on price. 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 priceMiniMax-M2 HerMiniMax-M2 Her $0.525 · Nemotron 3 Ultra 550B A55B $1.00 per 1M tokens (3:1 blend)
- Longest contextNemotron 3 Ultra 550B A55BNemotron 3 Ultra 550B A55B 1,000,000 · MiniMax-M2 Her 65,536 tokens
- Widest inputsSame inputsMiniMax-M2 Her: Text · Nemotron 3 Ultra 550B A55B: Text
- Self-hostingNemotron 3 Ultra 550B A55BPublishes downloadable weights
| Measure | Weight | MiniMax-M2 Her | Nemotron 3 Ultra 550B A55B |
|---|---|---|---|
| Price | 50% | 63 | 50 |
| Inputs & features | 30% | 35 | 45 |
| Context window | 20% | 12 | 60 |
| Overall | 100% | 45/100 | 50/100 |
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 | MiniMax-M2 HerMiniMax | Nemotron 3 Ultra 550B A55BNVIDIA |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | 146.2 |
| ECI rank | — | #70 of 148 |
| GPQA DiamondGraduate-level science questions | — | 85.4% |
| OTIS Mock AIME 2024–2025Competition mathematics | — | 86.7% |
| Price per million tokens | ||
| Input | $0.30 (best) | $0.50 |
| Output | $1.20 (best) | $2.50 |
| Cached input | — | $0.15 |
| Blended (3:1) | $0.525 (best) | $1.00 |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 4 providers | Official Nvidia API |
| Limits | ||
| Context window | 65,536 tokens | 1,000,000 tokens (best) |
| Max output | 2,048 tokens | 128,000 tokens (best) |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | No |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | Proprietary | Open |
| API model ID | — | nvidia/nemotron-3-ultra-550b-a55b |
| API providers | 4 | 21 (best) |
| Released | Jan 23, 2026 | Jun 4, 2026 |
| Knowledge cutoff | — | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- MiniMax-M2 Her$5.40
- Nemotron 3 Ultra 550B A55B$10.00
Which should you choose?
Which is better: MiniMax-M2 Her or Nemotron 3 Ultra 550B A55B?
Nemotron 3 Ultra 550B A55B is the better all-round choice, scoring 50/100 against MiniMax-M2 Her (45). It leads on inputs & features and context window. MiniMax-M2 Her wins on price. 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, MiniMax-M2 Her or Nemotron 3 Ultra 550B A55B?
MiniMax-M2 Her is cheaper at $0.30 input / $1.20 output per million tokens (median across 4 API providers). Nemotron 3 Ultra 550B A55B costs $0.50 input / $2.50 output per million tokens (official Nvidia API price). At a typical mix of three input tokens to one output token, that is $0.525 per million tokens for MiniMax-M2 Her versus $1.00 for Nemotron 3 Ultra 550B A55B (1.9× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. MiniMax-M2 Her has not been scored yet and Nemotron 3 Ultra 550B A55B has an ECI of 146.2.
Which is better for coding?
There are no published SWE-bench Verified results for MiniMax-M2 Her and Nemotron 3 Ultra 550B A55B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Nemotron 3 Ultra 550B A55B has the largest context window at 1,000,000 tokens, against 65,536 for MiniMax-M2 Her. Maximum output per response: MiniMax-M2 Her up to 2,048, Nemotron 3 Ultra 550B A55B up to 128,000 tokens.
Which can read images, PDFs, audio or video?
MiniMax-M2 Her accepts text; Nemotron 3 Ultra 550B A55B accepts text. They handle the same number of input types.
Are any of these open source?
Nemotron 3 Ultra 550B A55B publishes its weights and can be self-hosted; MiniMax-M2 Her is proprietary.
Which is newer?
Nemotron 3 Ultra 550B A55B is the newest, released Jun 4, 2026. MiniMax-M2 Her came out Jan 23, 2026.
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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