ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Mercury 2.5 vs North Mini Code vs Laguna XS 2.1

Too close to call on our weighted score (Mercury 2.5 71, North Mini Code 71, Laguna XS 2.1 68). The right pick depends on what you value most.

  1. Inception

    Mercury 2.5

    Released Sep 8, 2026

    71/100
    • ECI—
    • Price$0.04 / $0.15
    • Context260K
  2. Cohere

    North Mini Code

    Released Jun 9, 2026

    71/100
    • ECI—
    • PriceFree / Free
    • Context256K
  3. Poolside

    Laguna XS 2.1

    Released Jul 2, 2026

    68/100
    • ECI—
    • Price$0.06 / $0.12
    • Context262K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within a point (Mercury 2.5 71/100, North Mini Code 71/100, Laguna XS 2.1 68/100), so choose by what matters most for your work: North Mini Code 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 priceNorth Mini CodeNorth Mini Code Free · Mercury 2.5 $0.068 · Laguna XS 2.1 $0.075 per 1M tokens (3:1 blend)
  • Longest contextLaguna XS 2.1 and Mercury 2.5Laguna XS 2.1 262,144 · Mercury 2.5 260,000 · North Mini Code 256,000 tokens
  • Widest inputsSame inputsMercury 2.5: Text · North Mini Code: Text · Laguna XS 2.1: Text
  • Self-hostingNorth Mini Code and Laguna XS 2.1Publishes downloadable weights
How the score is built
MeasureWeightMercury 2.5North Mini CodeLaguna XS 2.1
Price50%100100100
Inputs & features30%454535
Context window20%363637
Overall100%71/10071/10068/100

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.

Mercury 2.5 vs North Mini Code vs Laguna XS 2.1 specifications side by side
SpecificationMercury 2.5InceptionNorth Mini CodeCohereLaguna XS 2.1Poolside
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.04Free (best)$0.06
Output$0.15Free (best)$0.12
Cached input$0.004——
Blended (3:1)$0.068Free (best)$0.075
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Inception APIOfficial Cohere APIMedian of 1 providers
Limits
Context window260,000 tokens256,000 tokens262,144 tokens (best)
Max output65,536 tokens (best)64,000 tokens32,768 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningYeslow · medium · highYeshighYes
Tool callingYesYesYes
Structured outputYesYesNo
Availability
WeightsProprietaryOpenOpen
API model IDmercury-2.5north-mini-code-1-0poolside/laguna-xs-2.1
API providers124 (best)
ReleasedSep 8, 2026Jun 9, 2026Jul 2, 2026
Knowledge cutoffNov 1, 2025Sep 23, 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.

  • Mercury 2.5$0.70
  • North Mini CodeFree
  • Laguna XS 2.1$0.84
04 — Questions

Which should you choose?

Which is better: Mercury 2.5, North Mini Code or Laguna XS 2.1?

It is close. Our weighted score puts them within a point (Mercury 2.5 71/100, North Mini Code 71/100, Laguna XS 2.1 68/100), so choose by what matters most for your work: North Mini Code 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, Mercury 2.5, North Mini Code or Laguna XS 2.1?

North Mini Code is cheaper at Free input / Free output per million tokens (official Cohere API price). Mercury 2.5 costs $0.04 input / $0.15 output per million tokens (official Inception API price); Laguna XS 2.1 costs $0.06 input / $0.12 output per million tokens (median across 1 API provider; free on Poolside). North Mini Code is listed as free.

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Mercury 2.5 has not been scored yet, North Mini Code has not been scored yet and Laguna XS 2.1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Mercury 2.5, North Mini Code and Laguna XS 2.1 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Laguna XS 2.1 and Mercury 2.5 have the largest context windows (262,144 and 260,000 tokens), against 256,000 for North Mini Code. Maximum output per response: Mercury 2.5 up to 65,536, North Mini Code up to 64,000, Laguna XS 2.1 up to 32,768 tokens.

Which can read images, PDFs, audio or video?

Mercury 2.5 accepts text; North Mini Code accepts text; Laguna XS 2.1 accepts text. They handle the same number of input types.

Are any of these open source?

North Mini Code and Laguna XS 2.1 publishes its weights and can be self-hosted; Mercury 2.5 is proprietary.

Which is newer?

Mercury 2.5 is the newest, released Sep 8, 2026. Laguna XS 2.1 came out Jul 2, 2026; North Mini Code came out Jun 9, 2026. Knowledge cutoff: Mercury 2.5 Nov 1, 2025, North Mini Code Sep 23, 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.