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Comparison · 2 models · Updated Oct 4, 2026

Nemotron 3 Super 120B A12B vs Seed 1.8

Seed 1.8 comes out ahead, 63 to 54 on our weighted score, though Nemotron 3 Super 120B A12B is 9% cheaper per token.

  1. NVIDIA

    Nemotron 3 Super 120B A12B

    Released Mar 11, 2026

    54/100
    • ECI—
    • Price$0.20 / $0.80
    • Context262K
    Full specs Remove Nemotron 3 Super 120B A12B
  2. Our pick

    ByteDance Seed

    Seed 1.8

    Released Dec 28, 2025

    63/100
    • ECI—
    • Price$0.119 / $1.19
    • Context256K
    Full specs Remove Seed 1.8

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Seed 1.8 is our pick

Seed 1.8 is the better all-round choice, scoring 63/100 against Nemotron 3 Super 120B A12B (54). It leads on inputs & features. Nemotron 3 Super 120B A12B 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 priceNemotron 3 Super 120B A12BNemotron 3 Super 120B A12B $0.35 · Seed 1.8 $0.386 per 1M tokens (3:1 blend)
  • Longest contextNemotron 3 Super 120B A12BNemotron 3 Super 120B A12B 262,144 · Seed 1.8 256,000 tokens
  • Widest inputsSeed 1.8Nemotron 3 Super 120B A12B: Text · Seed 1.8: Text, Images
  • Self-hostingNemotron 3 Super 120B A12BPublishes downloadable weights
How the score is built
MeasureWeightNemotron 3 Super 120B A12BSeed 1.8
Price50%7269
Inputs & features30%3570
Context window20%3736
Overall100%54/10063/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Nemotron 3 Super 120B A12B vs Seed 1.8 specifications side by side
SpecificationNemotron 3 Super 120B A12BNVIDIASeed 1.8ByteDance Seed
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.20$0.119 (best)
Output$0.80 (best)$1.19
Cached input—$0.024
Blended (3:1)$0.35 (best)$0.386
Long-context rateSame rateOver 32K: $0.178 / $2.37
Price sourceOfficial Nvidia APIOfficial Volcengine Ark API
Limits
Context window262,144 tokens (best)256,000 tokens
Max output262,144 tokens (best)64,000 tokens
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYesminimal · low · medium · high · xhigh · max
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenProprietary
API model IDnvidia/nemotron-3-super-120b-a12bdoubao-seed-1-8-251228
API providers19 (best)2
ReleasedMar 11, 2026Dec 28, 2025
Knowledge cutoff——
03 — Cost

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 Super 120B A12B$3.60
  • Seed 1.8$3.56
04 — Questions

Which should you choose?

Which is better: Nemotron 3 Super 120B A12B or Seed 1.8?

Seed 1.8 is the better all-round choice, scoring 63/100 against Nemotron 3 Super 120B A12B (54). It leads on inputs & features. Nemotron 3 Super 120B A12B 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, Nemotron 3 Super 120B A12B or Seed 1.8?

Nemotron 3 Super 120B A12B is cheaper at $0.20 input / $0.80 output per million tokens (official Nvidia API price). Seed 1.8 costs $0.119 input / $1.19 output per million tokens (official Volcengine Ark API price). At a typical mix of three input tokens to one output token, that is $0.35 per million tokens for Nemotron 3 Super 120B A12B versus $0.386 for Seed 1.8 (1.1× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Nemotron 3 Super 120B A12B has not been scored yet and Seed 1.8 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Nemotron 3 Super 120B A12B and Seed 1.8 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 Super 120B A12B has the largest context window at 262,144 tokens, against 256,000 for Seed 1.8. Maximum output per response: Nemotron 3 Super 120B A12B up to 262,144, Seed 1.8 up to 64,000 tokens.

Which can read images, PDFs, audio or video?

Nemotron 3 Super 120B A12B accepts text; Seed 1.8 accepts text and images. Seed 1.8 handles the widest range of inputs.

Are any of these open source?

Nemotron 3 Super 120B A12B publishes its weights and can be self-hosted; Seed 1.8 is proprietary.

Which is newer?

Nemotron 3 Super 120B A12B is the newest, released Mar 11, 2026. Seed 1.8 came out Dec 28, 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.

05 — Keep comparing

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