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Comparison · 2 models · Updated Oct 4, 2026

Llama 3.1 Nemotron Ultra 253B vs Aya Vision 32B

Llama 3.1 Nemotron Ultra 253B comes out ahead, 31 to 15 on our weighted score, and it is the cheaper option too.

  1. Our pick

    NVIDIA

    Llama 3.1 Nemotron Ultra 253B

    Released Apr 7, 2025

    31/100
    • ECI—
    • PriceFree / Free
    • Context128K
    Full specs Remove Llama 3.1 Nemotron Ultra 253B

  2. Cohere

    Aya Vision 32B

    Released Mar 4, 2025

    15/100
    • ECI—
    • Price—
    • Context16K
    Full specs Remove Aya Vision 32B

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Llama 3.1 Nemotron Ultra 253B is our pick

Llama 3.1 Nemotron Ultra 253B is the better all-round choice, scoring 31/100 against Aya Vision 32B (15). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. 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 priceLlama 3.1 Nemotron Ultra 253BLlama 3.1 Nemotron Ultra 253B Free per 1M tokens (3:1 blend) · Aya Vision 32B unpriced
  • Longest contextLlama 3.1 Nemotron Ultra 253BLlama 3.1 Nemotron Ultra 253B 128,000 · Aya Vision 32B 16,000 tokens
  • Widest inputsAya Vision 32BLlama 3.1 Nemotron Ultra 253B: Text · Aya Vision 32B: Text, Images
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightLlama 3.1 Nemotron Ultra 253BAya Vision 32B
Inputs & features60%3525
Context window40%240
Overall100%31/10015/100

Left out because at least one model lacks the data: capability and price. 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.

Llama 3.1 Nemotron Ultra 253B vs Aya Vision 32B specifications side by side
SpecificationLlama 3.1 Nemotron Ultra 253BNVIDIAAya Vision 32BCohere
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
InputFree—
OutputFree—
Cached input——
Blended (3:1)Free—
Long-context rateSame rate—
Price sourceOfficial Nvidia API—
Limits
Context window128,000 tokens (best)16,000 tokens
Max output8,192 tokens (best)4,000 tokens
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesNo
Tool callingYesNo
Structured outputNoNo
Availability
WeightsOpenOpenCC-BY-NC-4.0
API model IDnvidia/llama-3.1-nemotron-ultra-253b-v1c4ai-aya-vision-32b
API providers11
ReleasedApr 7, 2025Mar 4, 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.

  • Llama 3.1 Nemotron Ultra 253BFree
  • Aya Vision 32B—
04 — Questions

Which should you choose?

Which is better: Llama 3.1 Nemotron Ultra 253B or Aya Vision 32B?

Llama 3.1 Nemotron Ultra 253B is the better all-round choice, scoring 31/100 against Aya Vision 32B (15). It leads on inputs & features and context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Llama 3.1 Nemotron Ultra 253B or Aya Vision 32B?

Llama 3.1 Nemotron Ultra 253B is cheaper at Free input / Free output per million tokens (official Nvidia API price). . Llama 3.1 Nemotron Ultra 253B is listed as free. Aya Vision 32B has no published per-token price.

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Llama 3.1 Nemotron Ultra 253B has not been scored yet and Aya Vision 32B has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Llama 3.1 Nemotron Ultra 253B and Aya Vision 32B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Note that Aya Vision 32B does not support tool calling, which most coding agents need.

Which has the bigger context window?

Llama 3.1 Nemotron Ultra 253B has the largest context window at 128,000 tokens, against 16,000 for Aya Vision 32B. Maximum output per response: Llama 3.1 Nemotron Ultra 253B up to 8,192, Aya Vision 32B up to 4,000 tokens.

Which can read images, PDFs, audio or video?

Llama 3.1 Nemotron Ultra 253B accepts text; Aya Vision 32B accepts text and images. Aya Vision 32B handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights (CC-BY-NC-4.0), so you can self-host them.

Which is newer?

Llama 3.1 Nemotron Ultra 253B is the newest, released Apr 7, 2025. Aya Vision 32B came out Mar 4, 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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