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Model A
GLM-5.1

Z.AI

63.24/100

Supported · Public rank #46

90% interval 52.873.7

GLM-5.1 vs Laguna XS 2.1

Updated September 10, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

Poolside logo
Model B
Laguna XS 2.1

Poolside

Evidence status unavailable

90% interval unavailable

Decision reading

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.

2 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.

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Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Long documents

    Prompts that approach the documented context limit

    Laguna XS 2.1

    Laguna XS 2.1 has the larger documented context window.

    Confidence: documented

  • Chat turn cost

    1K fresh input + 500 output tokens

    Laguna XS 2.1

    Laguna XS 2.1 has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

Show secondary and unsupported calls
  • Repository review cost

    50K fresh input + 3K output tokens

    Laguna XS 2.1

    Laguna XS 2.1 has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    Laguna XS 2.1 is not ranked on the public lane for coding, so no winner is named for coding.

    Confidence: limited

  • Agentic work

    Tool use, computer use, and multi-step task completion

    Not enough matched evidence

    Laguna XS 2.1 is not ranked on the public lane for agentic, so no winner is named for agentic.

    Confidence: limited

  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Not enough matched evidence

    The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. GLM-5.1 does not fit this workload in one request. GLM-5.1 has no published cached-input rate, so cached tokens use its listed input rate.

    Confidence: rate-fallback

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

Shared results
2
GLM-5.1 only
24
Laguna XS 2.1 only
3
Like-for-like categories
0 / 8

Category results, on a stated basis

Each row shows the public-lane category score for both models: the BenchAlign lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.

Agentic

Not comparable
GLM-5.1
54.3
Estimated · #37/152
Laguna XS 2.1
Not ranked
Basis
BenchAlign lane · 9 vs 1 public rows
Reading
Not comparable

Coding

Not comparable
GLM-5.1
56.4
Supported · #38/151
Laguna XS 2.1
Not ranked
Basis
BenchAlign lane · 7 vs 4 public rows
Reading
Not comparable

Reasoning

Not comparable
GLM-5.1
71.7
Unranked · 2 rankable rows
Laguna XS 2.1
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Knowledge

Not comparable
GLM-5.1
54.8
Supported · #54/183
Laguna XS 2.1
Not ranked
Basis
BenchAlign lane · 4 vs 0 public rows
Reading
Not comparable

Math

Not comparable
GLM-5.1
64.1
#3/7
Laguna XS 2.1
Not ranked
Basis
Provisional lane · 4 vs 0 weighted rows
Reading
Not comparable

Multilingual

Not comparable
GLM-5.1
Not ranked
Laguna XS 2.1
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Multimodal

Not comparable
GLM-5.1
Not ranked
Laguna XS 2.1
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Instruction following

Not comparable
GLM-5.1
93.7
#5/123
Laguna XS 2.1
Not ranked
Basis
Provisional lane · 0 vs 0 weighted rows
Reading
Not comparable

Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign) differ from the provisional-lane categories. Unranked scores sit on the lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

GLM-5.1
$0.0036
Fits in one request
Laguna XS 2.1
$0.0002
Fits in one request

Laguna XS 2.1 has the lower modeled cost

Costs use the listed standard API rates.

Repository review

50K fresh input + 3K output tokens

GLM-5.1
$0.0832
Fits in one request
Laguna XS 2.1
$0.0056
Fits in one request

Laguna XS 2.1 has the lower modeled cost

Costs use the listed standard API rates.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

GLM-5.1
$0.352
Does not fit in one request
Cached input priced at the published list-input rate
Laguna XS 2.1
$0.014
Fits in one request

GLM-5.1 does not fit this workload in one request. GLM-5.1 has no published cached-input rate, so cached tokens use its listed input rate.

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Cached-input rate

A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.

GLM-5.1

Not published

Laguna XS 2.1

$0.05 per 1M cached input tokens

Poolside Laguna XS 2.1 launch post

Documented inputs

GLM-5.1

Not sourced

Laguna XS 2.1

Not sourced

Documented outputs

GLM-5.1

Not sourced

Laguna XS 2.1

Not sourced

Provider availability

GLM-5.1

Not sourced

Laguna XS 2.1

Not sourced

Reasoning profile

GLM-5.1

Reasoning

Laguna XS 2.1

Reasoning

Weight access

GLM-5.1

Open Weight

Laguna XS 2.1

Open Weight

License

GLM-5.1

Open Weight

Laguna XS 2.1

Open Weight

Release date

GLM-5.1

2026-04-07

Laguna XS 2.1

2026-07-02

If you already use one of these models
Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
Workload cost
Repository review: $0.0832 vs $0.0056. Cache-heavy agent loop: $0.352 vs $0.014.
Context tradeoff
Laguna XS 2.1 has the larger documented window (262K).

Run the same representative tasks against both endpoints before changing production traffic.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

GLM-5.1
API / mo$4,350
Self-host / mo$18,221
Break-even264M/day
Laguna XS 2.1
API / mo$225
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence29 rows

Agentic

  • Terminal-Bench 2.0

    GLM-5.163.5%
    Source
    Laguna XS 2.137.5%
    Source

    GLM-5.1 leads this result

  • BrowseComp

    GLM-5.168%
    Source
    Laguna XS 2.1

    Not directly comparable

  • τ³-bench results

    GLM-5.170.6%
    Source
    Laguna XS 2.1

    Not directly comparable

  • MCP Atlas

    GLM-5.171.8%
    Source
    Laguna XS 2.1

    Not directly comparable

  • CyberGym

    GLM-5.168.7%
    Source
    Laguna XS 2.1

    Not directly comparable

  • Claw-Eval

    GLM-5.162.3%
    Source
    Laguna XS 2.1

    Not directly comparable

  • Gert Labs

    GLM-5.160.11%
    Source
    Laguna XS 2.1

    Not directly comparable

  • ResearchClawBench

    GLM-5.118.2%
    Source
    Laguna XS 2.1

    Not directly comparable

  • Terminal-Bench 2.1 (Vals)

    GLM-5.156.9%
    Source
    Laguna XS 2.1

    Not directly comparable

Coding

  • SWE-bench Pro

    GLM-5.158.4%
    Source
    Laguna XS 2.147.6%
    Source

    GLM-5.1 leads this result

  • NL2Repo

    GLM-5.142.7%
    Source
    Laguna XS 2.1

    Not directly comparable

  • SWE-Rebench

    GLM-5.162.7%
    Source
    Laguna XS 2.1

    Not directly comparable

  • Vibe Code Bench

    GLM-5.131.46%
    Source
    Laguna XS 2.1

    Not directly comparable

  • OpenHarmony Bench

    GLM-5.152.3%
    Source
    Laguna XS 2.1

    Not directly comparable

  • LiveCodeBench (Vals)

    GLM-5.181.4%
    Source
    Laguna XS 2.1

    Not directly comparable

  • SWE-bench (Vals)

    GLM-5.176.4%
    Source
    Laguna XS 2.1

    Not directly comparable

  • SWE-bench Verified

    GLM-5.1
    Laguna XS 2.170.9%
    Source

    Not directly comparable

  • SWE Multilingual

    GLM-5.1
    Laguna XS 2.163.1%
    Source

    Not directly comparable

  • Terminal-Bench 2.0

    GLM-5.1
    Laguna XS 2.137.5%
    Source

    Not directly comparable

Knowledge

  • GPQA-D

    GLM-5.186.2%
    Source
    Laguna XS 2.1

    Not directly comparable

  • HLE

    GLM-5.152.3%
    Source
    Laguna XS 2.1

    Not directly comparable

  • GPQA Diamond (Vals)

    GLM-5.184.5%
    Source
    Laguna XS 2.1

    Not directly comparable

  • MMLU-Pro (Vals)

    GLM-5.186.9%
    Source
    Laguna XS 2.1

    Not directly comparable

Math

  • AIME26

    GLM-5.195.3%
    Source
    Laguna XS 2.1

    Not directly comparable

  • HMMT Nov 2025

    GLM-5.194.0%
    Source
    Laguna XS 2.1

    Not directly comparable

  • HMMT Feb 2026

    GLM-5.182.6%
    Source
    Laguna XS 2.1

    Not directly comparable

  • MMAnswerBench

    GLM-5.183.8%
    Source
    Laguna XS 2.1

    Not directly comparable

  • FrontierMath v2 (Tiers 1-3)

    GLM-5.133.448%
    Source
    Laguna XS 2.1

    Not directly comparable

  • FrontierMath v2 (Tier 4)

    GLM-5.112.500%
    Source
    Laguna XS 2.1

    Not directly comparable

Frequently asked questions

Which is better, GLM-5.1 or Laguna XS 2.1?

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, GLM-5.1 or Laguna XS 2.1?

Laguna XS 2.1 is not ranked on the public lane for coding, so no winner is named for coding.

Which is better for agentic tasks, GLM-5.1 or Laguna XS 2.1?

Laguna XS 2.1 is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.

Which costs less, GLM-5.1 or Laguna XS 2.1?

For the stated presets, chat costs $0.0036 on GLM-5.1 and $0.0002 on Laguna XS 2.1; repository review costs $0.0832 and $0.0056; the cache-heavy agent loop costs $0.352 and $0.014. GLM-5.1 does not fit this workload in one request. GLM-5.1 has no published cached-input rate, so cached tokens use its listed input rate.

Which has the larger context window, GLM-5.1 or Laguna XS 2.1?

Laguna XS 2.1 has the larger documented context window: 262K, compared with 203K.

Related comparisons

Last updated September 10, 2026

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