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Comparison · 2 models · Updated Oct 4, 2026

Apertus 8B vs Seed 2.0 Mini

Seed 2.0 Mini comes out ahead, 80 to 56 on our weighted score, and it is the cheaper option too.

  1. Swiss AI

    Apertus 8B

    Released Sep 2, 2025

    56/100
    • ECI—
    • Price$0.10 / $0.20
    • Context66K
  2. Our pick

    ByteDance Seed

    Seed 2.0 Mini

    Released Feb 14, 2026

    80/100
    • ECI—
    • Price$0.03 / $0.297
    • Context256K
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Seed 2.0 Mini is our pick

Seed 2.0 Mini is the better all-round choice, scoring 80/100 against Apertus 8B (56). It leads on price, inputs & features and context window. 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 priceSeed 2.0 MiniSeed 2.0 Mini $0.097 · Apertus 8B $0.125 per 1M tokens (3:1 blend)
  • Longest contextSeed 2.0 MiniSeed 2.0 Mini 256,000 · Apertus 8B 65,536 tokens
  • Widest inputsSeed 2.0 MiniApertus 8B: Text · Seed 2.0 Mini: Text, Images, Video
  • Self-hostingApertus 8BPublishes downloadable weights (Apache-2.0)
How the score is built
MeasureWeightApertus 8BSeed 2.0 Mini
Price50%9398
Inputs & features30%2580
Context window20%1236
Overall100%56/10080/100

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.

Apertus 8B vs Seed 2.0 Mini specifications side by side
SpecificationApertus 8BSwiss AISeed 2.0 MiniByteDance Seed
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.10$0.03 (best)
Output$0.20 (best)$0.297
Cached input—$0.0059
Blended (3:1)$0.125$0.097 (best)
Long-context rateSame rateOver 32K: $0.059 / $0.594
Price sourceMedian of 1 providersOfficial Volcengine Ark API
Limits
Context window65,536 tokens256,000 tokens (best)
Max output8,192 tokens32,000 tokens (best)
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoYes
ReasoningNoYesminimal · low · medium · high · xhigh · max
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenApache-2.0Proprietary
API model ID—doubao-seed-2-0-mini-260428
API providers18 (best)
ReleasedSep 2, 2025Feb 14, 2026
Knowledge cutoffSep 2025—
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.

  • Apertus 8B$1.40
  • Seed 2.0 Mini$0.891
04 — Questions

Which should you choose?

Which is better: Apertus 8B or Seed 2.0 Mini?

Seed 2.0 Mini is the better all-round choice, scoring 80/100 against Apertus 8B (56). It leads on price, inputs & features and context window. 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, Apertus 8B or Seed 2.0 Mini?

Seed 2.0 Mini is cheaper at $0.03 input / $0.297 output per million tokens (official Volcengine Ark API price). Apertus 8B costs $0.10 input / $0.20 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.097 per million tokens for Seed 2.0 Mini versus $0.125 for Apertus 8B (1.3× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Apertus 8B has not been scored yet and Seed 2.0 Mini has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Apertus 8B and Seed 2.0 Mini 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?

Seed 2.0 Mini has the largest context window at 256,000 tokens, against 65,536 for Apertus 8B. Maximum output per response: Apertus 8B up to 8,192, Seed 2.0 Mini up to 32,000 tokens.

Which can read images, PDFs, audio or video?

Apertus 8B accepts text; Seed 2.0 Mini accepts text, images and video. Seed 2.0 Mini handles the widest range of inputs.

Are any of these open source?

Apertus 8B publishes its weights (Apache-2.0) and can be self-hosted; Seed 2.0 Mini is proprietary.

Which is newer?

Seed 2.0 Mini is the newest, released Feb 14, 2026. Apertus 8B came out Sep 2, 2025. Knowledge cutoff: Apertus 8B Sep 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.