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Comparison · 2 models · Updated Oct 4, 2026

Laguna XS 2.1 vs GPT-5.6 Cyber

Laguna XS 2.1 comes out ahead, 68 to 30 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Poolside

    Laguna XS 2.1

    Released Jul 2, 2026

    68/100
    • ECI—
    • Price$0.06 / $0.12
    • Context262K
    Full specs Remove Laguna XS 2.1

  2. OpenAI

    GPT-5.6 Cyber

    Released Aug 7, 2026

    30/100
    • ECI—
    • Price$12.50 / $75.00
    • Context400K
    Full specs Remove GPT-5.6 Cyber

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Laguna XS 2.1 is our pick

Laguna XS 2.1 is the better all-round choice, scoring 68/100 against GPT-5.6 Cyber (30). It leads on price. GPT-5.6 Cyber wins 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 priceLaguna XS 2.1Laguna XS 2.1 $0.075 · GPT-5.6 Cyber $28.13 per 1M tokens (3:1 blend)
  • Longest contextGPT-5.6 CyberGPT-5.6 Cyber 400,000 · Laguna XS 2.1 262,144 tokens
  • Widest inputsGPT-5.6 CyberLaguna XS 2.1: Text · GPT-5.6 Cyber: Text, Images
  • Self-hostingLaguna XS 2.1Publishes downloadable weights
How the score is built
MeasureWeightLaguna XS 2.1GPT-5.6 Cyber
Price50%1000
Inputs & features30%3570
Context window20%3744
Overall100%68/10030/100

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.

Laguna XS 2.1 vs GPT-5.6 Cyber specifications side by side
SpecificationLaguna XS 2.1PoolsideGPT-5.6 CyberOpenAI
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.06 (best)$12.50
Output$0.12 (best)$75.00
Cached input—$1.25
Blended (3:1)$0.075 (best)$28.13
Long-context rateSame rateSame rate
Price sourceMedian of 1 providersOfficial OpenAI API
Limits
Context window262,144 tokens400,000 tokens (best)
Max output32,768 tokens128,000 tokens (best)
Inputs and features
TextYesYes
ImagesNoYes
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningYesYeslow · medium · high · xhigh · max
Tool callingYesYes
Structured outputNoYes
Availability
WeightsOpenProprietary
API model IDpoolside/laguna-xs-2.1gpt-daybreak-red-latest
API providers4 (best)1
ReleasedJul 2, 2026Aug 7, 2026
Knowledge cutoff—Feb 16, 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.

  • Laguna XS 2.1$0.84
  • GPT-5.6 Cyber$275.00
04 — Questions

Which should you choose?

Which is better: Laguna XS 2.1 or GPT-5.6 Cyber?

Laguna XS 2.1 is the better all-round choice, scoring 68/100 against GPT-5.6 Cyber (30). It leads on price. GPT-5.6 Cyber wins 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, Laguna XS 2.1 or GPT-5.6 Cyber?

Laguna XS 2.1 is cheaper at $0.06 input / $0.12 output per million tokens (median across 1 API provider; free on Poolside). GPT-5.6 Cyber costs $12.50 input / $75.00 output per million tokens (official OpenAI API price). At a typical mix of three input tokens to one output token, that is $0.075 per million tokens for Laguna XS 2.1 versus $28.13 for GPT-5.6 Cyber (375× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Laguna XS 2.1 has not been scored yet and GPT-5.6 Cyber has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Laguna XS 2.1 and GPT-5.6 Cyber 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?

GPT-5.6 Cyber has the largest context window at 400,000 tokens, against 262,144 for Laguna XS 2.1. Maximum output per response: Laguna XS 2.1 up to 32,768, GPT-5.6 Cyber up to 128,000 tokens.

Which can read images, PDFs, audio or video?

Laguna XS 2.1 accepts text; GPT-5.6 Cyber accepts text and images. GPT-5.6 Cyber handles the widest range of inputs.

Are any of these open source?

Laguna XS 2.1 publishes its weights and can be self-hosted; GPT-5.6 Cyber is proprietary.

Which is newer?

GPT-5.6 Cyber is the newest, released Aug 7, 2026. Laguna XS 2.1 came out Jul 2, 2026. Knowledge cutoff: GPT-5.6 Cyber Feb 16, 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 Oct 4, 2026.

05 — Keep comparing

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