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Comparison · 2 models · Updated Nov 2, 2026

Trinity Mini vs Qwen3.5 4B

Qwen3.5 4B comes out ahead, 78 to 65 on our weighted score, and it is the cheaper option too.

  1. Arcee AI

    Trinity Mini

    Released Dec 1, 2025

    65/100
    • ECI—
    • Price$0.045 / $0.15
    • Context131K
    Full specs Remove Trinity Mini
  2. Our pick

    Alibaba (Qwen)

    Qwen3.5 4B

    Released Mar 2, 2026

    78/100
    • ECI—
    • Price$0.04 / $0.07
    • Context262K
    Full specs Remove Qwen3.5 4B

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Qwen3.5 4B is our pick

Qwen3.5 4B is the better all-round choice, scoring 78/100 against Trinity Mini (65). It leads on 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 priceQwen3.5 4BQwen3.5 4B $0.048 · Trinity Mini $0.071 per 1M tokens (3:1 blend)
  • Longest contextQwen3.5 4BQwen3.5 4B 262,144 · Trinity Mini 131,072 tokens
  • Widest inputsQwen3.5 4BTrinity Mini: Text · Qwen3.5 4B: Text, Images, Video
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightTrinity MiniQwen3.5 4B
Price50%100100
Inputs & features30%3570
Context window20%2537
Overall100%65/10078/100

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.

Trinity Mini vs Qwen3.5 4B specifications side by side
SpecificationTrinity MiniArcee AIQwen3.5 4BAlibaba (Qwen)
Capability
Capabilities Index (ECI)——
ECI rank——
OTIS Mock AIME 2024–2025Competition mathematics—55.8%
Price per million tokens
Input$0.045$0.04 (best)
Output$0.15$0.07 (best)
Cached input——
Blended (3:1)$0.071$0.048 (best)
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersMedian of 3 providers
Limits
Context window131,072 tokens262,144 tokens (best)
Max output131,072 tokens (best)81,920 tokens
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoYes
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenOpenMDW-1.1OpenApache-2.0
API model ID——
API providers15 (best)
ReleasedDec 1, 2025Mar 2, 2026
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.

  • Trinity Mini$0.75
  • Qwen3.5 4B$0.54
04 — Questions

Which should you choose?

Which is better: Trinity Mini or Qwen3.5 4B?

Qwen3.5 4B is the better all-round choice, scoring 78/100 against Trinity Mini (65). It leads on 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, Trinity Mini or Qwen3.5 4B?

Qwen3.5 4B is cheaper at $0.04 input / $0.07 output per million tokens (median across 3 API providers). Trinity Mini costs $0.045 input / $0.15 output per million tokens (median across 1 API provider). At a typical mix of three input tokens to one output token, that is $0.048 per million tokens for Qwen3.5 4B versus $0.071 for Trinity Mini (1.5× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Trinity Mini has not been scored yet and Qwen3.5 4B has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Trinity Mini and Qwen3.5 4B 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?

Qwen3.5 4B has the largest context window at 262,144 tokens, against 131,072 for Trinity Mini. Maximum output per response: Trinity Mini up to 131,072, Qwen3.5 4B up to 81,920 tokens.

Which can read images, PDFs, audio or video?

Trinity Mini accepts text; Qwen3.5 4B accepts text, images and video. Qwen3.5 4B handles the widest range of inputs.

Are any of these open source?

Yes, both publish their weights (OpenMDW-1.1 and Apache-2.0), so you can self-host them.

Which is newer?

Qwen3.5 4B is the newest, released Mar 2, 2026. Trinity Mini came out Dec 1, 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 Nov 2, 2026.

05 — Keep comparing

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