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Comparison · 2 models · Updated Oct 4, 2026

Trinity Large Thinking vs Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite comes out ahead, 73 to 55 on our weighted score, though Trinity Large Thinking is 31% cheaper per token.

  1. Arcee AI

    Trinity Large Thinking

    Released Apr 1, 2026Beta

    55/100
    • ECI—
    • Price$0.25 / $0.80
    • Context524K
    Full specs Remove Trinity Large Thinking
  2. Our pick

    Google

    Gemini 3.1 Flash Lite

    Released May 7, 2026

    73/100
    • ECI—
    • Price$0.25 / $1.50
    • Context1.05M
    Full specs Remove Gemini 3.1 Flash Lite

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Gemini 3.1 Flash Lite is our pick

Gemini 3.1 Flash Lite is the better all-round choice, scoring 73/100 against Trinity Large Thinking (55). It leads on inputs & features and context window. Trinity Large Thinking 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 priceTrinity Large ThinkingTrinity Large Thinking $0.388 · Gemini 3.1 Flash Lite $0.563 per 1M tokens (3:1 blend)
  • Longest contextGemini 3.1 Flash LiteGemini 3.1 Flash Lite 1,048,576 · Trinity Large Thinking 524,288 tokens
  • Widest inputsGemini 3.1 Flash LiteTrinity Large Thinking: Text · Gemini 3.1 Flash Lite: Text, Images, PDFs, Audio, Video
  • Self-hostingTrinity Large ThinkingPublishes downloadable weights (OpenMDW-1.1)
How the score is built
MeasureWeightTrinity Large ThinkingGemini 3.1 Flash Lite
Price50%6962
Inputs & features30%35100
Context window20%4961
Overall100%55/10073/100

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 Large Thinking vs Gemini 3.1 Flash Lite specifications side by side
SpecificationTrinity Large ThinkingArcee AIGemini 3.1 Flash LiteGoogle
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.25$0.25
Output$0.80 (best)$1.50
Cached input$0.06$0.025 (best)
Blended (3:1)$0.388 (best)$0.563
Long-context rateSame rateSame rate
Price sourceOfficial Arcee APIOfficial Google API
Limits
Context window524,288 tokens1,048,576 tokens (best)
Max output262,144 tokens (best)65,536 tokens
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoYes
AudioNoYes
VideoNoYes
ReasoningYesYesminimal · low · medium · high
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenOpenMDW-1.1Proprietary
API model IDtrinity-large-thinkinggemini-3.1-flash-lite
API providers623 (best)
ReleasedApr 1, 2026May 7, 2026
Knowledge cutoff—Jan 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.

  • Trinity Large Thinking$4.10
  • Gemini 3.1 Flash Lite$5.50
04 — Questions

Which should you choose?

Which is better: Trinity Large Thinking or Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is the better all-round choice, scoring 73/100 against Trinity Large Thinking (55). It leads on inputs & features and context window. Trinity Large Thinking 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, Trinity Large Thinking or Gemini 3.1 Flash Lite?

Trinity Large Thinking is cheaper at $0.25 input / $0.80 output per million tokens (official Arcee API price). Gemini 3.1 Flash Lite costs $0.25 input / $1.50 output per million tokens (official Google API price). At a typical mix of three input tokens to one output token, that is $0.388 per million tokens for Trinity Large Thinking versus $0.563 for Gemini 3.1 Flash Lite (1.5× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Trinity Large Thinking has not been scored yet and Gemini 3.1 Flash Lite has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Trinity Large Thinking and Gemini 3.1 Flash Lite 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?

Gemini 3.1 Flash Lite has the largest context window at 1,048,576 tokens, against 524,288 for Trinity Large Thinking. Maximum output per response: Trinity Large Thinking up to 262,144, Gemini 3.1 Flash Lite up to 65,536 tokens.

Which can read images, PDFs, audio or video?

Trinity Large Thinking accepts text; Gemini 3.1 Flash Lite accepts text, images, PDFs, audio and video. Gemini 3.1 Flash Lite handles the widest range of inputs.

Are any of these open source?

Trinity Large Thinking publishes its weights (OpenMDW-1.1) and can be self-hosted; Gemini 3.1 Flash Lite is proprietary.

Which is newer?

Gemini 3.1 Flash Lite is the newest, released May 7, 2026. Trinity Large Thinking came out Apr 1, 2026. Knowledge cutoff: Gemini 3.1 Flash Lite Jan 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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