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  5. GLM 5vsLaguna S 2.1 (free)
Updated Jul 2026

GLM 5vsLaguna S 2.1 (free)

Laguna S 2.1 (free) is cheaper than GLM 5 at $0/M vs $0.8/M input tokens.

GLM 5 and Laguna S 2.1 (free) compared across 2 shared prompts
SpecGLM 5Laguna S 2.1 (free)
Input price$0.8/M tokensFree
Output price$2.56/M tokensFree
Context window203K tokens262K tokens
WeightsOpen—
Free API (OpenRouter)NoYes (1 provider)
ReleasedFeb 2026Jul 2026
Our Verdict
GLM 5
GLM 5
Laguna S 2.1 (free)
Laguna S 2.1 (free)Runner-up

Not enough votes to call it. On the specs, GLM 5 has the edge: bigger model tier, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

GLM 5
Input
$0.80
Output
$2.56
Laguna S 2.1 (free)
Input
$0.000
Output
$0.000
Where to run it

9 hosts, cheapest first

GLM 58 hosts
HostInOutContextUptime
GGMI Cloudfp8$0.60 in·$1.92 out·203k·98.8% upSStreamLakefp8$0.60 in·$1.92 out·198k·99.6% upBaidu Qianfanfp8$0.70 in·$2.24 out·203k·99.5% upSSiliconFlowfp8$0.95 in·$2.55 out·205k·99.6% upAmazon Bedrock$1.00 in·$3.20 out·203k·98% upNNovitafp8$1.00 in·$3.20 out·203k·100% up
2 more hostsFewer hosts
VVenicefp8$1.00 in·$3.20 out·198k·98.2% upZ.aifp8$1.00 in·$3.20 out·203k·100% up
Laguna S 2.1 (free)1 host
HostInOutContextUptime
PPoolsidefp4$0 in·$0 out·262k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

GLM 5 is developed by Zhipu AI while Laguna S 2.1 (free) is developed by Poolside. GLM 5 has a 203K token context window vs Laguna S 2.1 (free)'s 262K. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

It depends on your use case. GLM 5 and Laguna S 2.1 (free) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

GLM 5 costs $0.8/M input tokens and Laguna S 2.1 (free) costs $0/M input tokens. Laguna S 2.1 (free) is $0.80/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of GLM 5 and Laguna S 2.1 (free) across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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