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Comparison · 2 models · Updated Nov 2, 2026

Solar Mini 4 vs Trinity Large Thinking

Solar Mini 4 comes out ahead, 64 to 53 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Upstage

    Solar Mini 4

    Released Sep 22, 2026New

    64/100
    • ECI—
    • Price$0.10 / $0.40
    • Context524K
    Full specs Remove Solar Mini 4

  2. Arcee AI

    Trinity Large Thinking

    Released Apr 1, 2026Beta

    53/100
    • ECI—
    • Price$0.25 / $0.80
    • Context524K
    Full specs Remove Trinity Large Thinking

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Solar Mini 4 is our pick

Solar Mini 4 is the better all-round choice, scoring 64/100 against Trinity Large Thinking (53). It leads on price and inputs & features. 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 priceSolar Mini 4Solar Mini 4 $0.175 · Trinity Large Thinking $0.388 per 1M tokens (3:1 blend)
  • Longest contextAbout the sameSolar Mini 4 524,288 · Trinity Large Thinking 524,288 tokens
  • Widest inputsSame inputsSolar Mini 4: Text · Trinity Large Thinking: Text
  • Self-hostingTrinity Large ThinkingPublishes downloadable weights (OpenMDW-1.1)
How the score is built
MeasureWeightSolar Mini 4Trinity Large Thinking
Price50%8266
Inputs & features30%4535
Context window20%4949
Overall100%64/10053/100

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.

Solar Mini 4 vs Trinity Large Thinking specifications side by side
SpecificationSolar Mini 4UpstageTrinity Large ThinkingArcee AI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.10 (best)$0.25
Output$0.40 (best)$0.80
Cached input$0.01 (best)$0.06
Blended (3:1)$0.175 (best)$0.388
Long-context rateSame rateSame rate
Price sourceOfficial Upstage APIOfficial Arcee API
Limits
Context window524,288 tokens524,288 tokens
Max output131,072 tokens262,144 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesminimal · low · medium · high · xhigh · maxYes
Tool callingYesYes
Structured outputYesNo
Availability
WeightsProprietaryOpenOpenMDW-1.1
API model IDsolar-mini4trinity-large-thinking
API providers4 (best)3
ReleasedSep 22, 2026Apr 1, 2026
Knowledge cutoffFeb 2026—
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.

  • Solar Mini 4$1.80
  • Trinity Large Thinking$4.10
04 — Questions

Which should you choose?

Which is better: Solar Mini 4 or Trinity Large Thinking?

Solar Mini 4 is the better all-round choice, scoring 64/100 against Trinity Large Thinking (53). It leads on price and inputs & features. 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, Solar Mini 4 or Trinity Large Thinking?

Solar Mini 4 is cheaper at $0.10 input / $0.40 output per million tokens (official Upstage API price). Trinity Large Thinking costs $0.25 input / $0.80 output per million tokens (official Arcee API price). At a typical mix of three input tokens to one output token, that is $0.175 per million tokens for Solar Mini 4 versus $0.388 for Trinity Large Thinking (2.2× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Solar Mini 4 has not been scored yet and Trinity Large Thinking has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Solar Mini 4 and Trinity Large Thinking 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?

Solar Mini 4 and Trinity Large Thinking share the same 524,288-token context window. Maximum output per response: Solar Mini 4 up to 131,072, Trinity Large Thinking up to 262,144 tokens.

Which can read images, PDFs, audio or video?

Solar Mini 4 accepts text; Trinity Large Thinking accepts text. They handle the same number of input types.

Are any of these open source?

Trinity Large Thinking publishes its weights (OpenMDW-1.1) and can be self-hosted; Solar Mini 4 is proprietary.

Which is newer?

Solar Mini 4 is the newest, released Sep 22, 2026. Trinity Large Thinking came out Apr 1, 2026. Knowledge cutoff: Solar Mini 4 Feb 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 Nov 2, 2026.

05 — Keep comparing

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