ZMIME
Comparison · 2 models · Updated Oct 4, 2026

GLM-4.6 vs Laguna S 2.1

Laguna S 2.1 comes out ahead, 69 to 42 on our weighted score, and it is the cheaper option too.

  1. Z.ai (Zhipu)

    GLM-4.6

    Released Sep 30, 2025

    42/100
    • ECI—
    • Price$0.60 / $2.20
    • Context205K
  2. Our pick

    Poolside

    Laguna S 2.1

    Released Jul 21, 2026

    69/100
    • ECI—
    • Price$0.10 / $0.20
    • Context1.05M
  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Laguna S 2.1 is our pick

Laguna S 2.1 is the better all-round choice, scoring 69/100 against GLM-4.6 (42). It leads on price 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 priceLaguna S 2.1Laguna S 2.1 $0.125 · GLM-4.6 $1.00 per 1M tokens (3:1 blend)
  • Longest contextLaguna S 2.1Laguna S 2.1 1,048,576 · GLM-4.6 204,800 tokens
  • Widest inputsSame inputsGLM-4.6: Text · Laguna S 2.1: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightGLM-4.6Laguna S 2.1
Price50%5093
Inputs & features30%3535
Context window20%3261
Overall100%42/10069/100

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.

GLM-4.6 vs Laguna S 2.1 specifications side by side
SpecificationGLM-4.6Z.ai (Zhipu)Laguna S 2.1Poolside
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.60$0.10 (best)
Output$2.20$0.20 (best)
Cached input$0.11—
Blended (3:1)$1.00$0.125 (best)
Long-context rateSame rateSame rate
Price sourceOfficial Z.AI APIMedian of 4 providers
Limits
Context window204,800 tokens1,048,576 tokens (best)
Max output131,072 tokens (best)32,768 tokens
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenOpen
API model IDglm-4.6poolside/laguna-s-2.1
API providers18 (best)6
ReleasedSep 30, 2025Jul 21, 2026
Knowledge cutoffApr 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.

  • GLM-4.6$10.40
  • Laguna S 2.1$1.40
04 — Questions

Which should you choose?

Which is better: GLM-4.6 or Laguna S 2.1?

Laguna S 2.1 is the better all-round choice, scoring 69/100 against GLM-4.6 (42). It leads on price 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, GLM-4.6 or Laguna S 2.1?

Laguna S 2.1 is cheaper at $0.10 input / $0.20 output per million tokens (median across 4 API providers; free on Poolside). GLM-4.6 costs $0.60 input / $2.20 output per million tokens (official Z.AI API price). At a typical mix of three input tokens to one output token, that is $0.125 per million tokens for Laguna S 2.1 versus $1.00 for GLM-4.6 (8× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. GLM-4.6 has not been scored yet and Laguna S 2.1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for GLM-4.6 and Laguna S 2.1 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?

Laguna S 2.1 has the largest context window at 1,048,576 tokens, against 204,800 for GLM-4.6. Maximum output per response: GLM-4.6 up to 131,072, Laguna S 2.1 up to 32,768 tokens.

Which can read images, PDFs, audio or video?

GLM-4.6 accepts text; Laguna S 2.1 accepts text. They handle the same number of input types.

Are any of these open source?

Yes, both publish their weights, so you can self-host them.

Which is newer?

Laguna S 2.1 is the newest, released Jul 21, 2026. GLM-4.6 came out Sep 30, 2025. Knowledge cutoff: GLM-4.6 Apr 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.