What is the difference between GLM 5.3 and Llama 3.1 405B?

GLM 5.3 is developed by Zhipu AI while Llama 3.1 405B is developed by Meta AI. GLM 5.3 has a 1.3M token context window vs Llama 3.1 405B's 128K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

Which is better, GLM 5.3 or Llama 3.1 405B?

It depends on your use case. GLM 5.3 and Llama 3.1 405B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

How much does GLM 5.3 cost compared to Llama 3.1 405B?

GLM 5.3 costs $0.6538/M input tokens and Llama 3.1 405B costs $2.7/M input tokens. GLM 5.3 is $2.05/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare GLM 5.3 and Llama 3.1 405B on Rival?

This page shows a side-by-side comparison of GLM 5.3 and Llama 3.1 405B 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.

Updated Aug 2026

GLM 5.3vsLlama 3.1 405B

GLM 5.3 is cheaper than Llama 3.1 405B at $0.6538/M vs $2.7/M input tokens.

GLM 5.3 and Llama 3.1 405B compared across 5 shared prompts
Spec	GLM 5.3	Llama 3.1 405B
Input price	$0.6538/M tokens	$2.7/M tokens
Output price	$2.0548/M tokens	$3.1/M tokens
Context window	1.3M tokens	128K tokens
Weights	Open	Open
Free API (OpenRouter)	No	No
Released	Aug 2026	Jul 2024

Our Verdict

GLM 5.3

Llama 3.1 405B

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

API pricing

Cost per 1M tokens

GLM 5.3

Input

$0.65

4.1× cheaper

Output

$2.05

1.5× cheaper

Llama 3.1 405B

Input

$2.70

Output

$3.10

GLM 5.3 is cheaper on both: 4.1× input, 1.5× output.

Where to run it

30 hosts, cheapest first

GLM 5.330 hosts

HostInOutContextUptime

Baidu Qianfanfp8$0.65 in$2.05 out1M99.8% up Morph$0.71 in$2.24 out1M99.8% up Rekafp8$0.76 in$2.57 out262k99.4% up Sail Researchfp8$0.77 in$4.00 out1M99.9% up Novitafp8$0.78 in$2.46 out1M99.9% up io.netfp8$0.82 in$2.77 out262k99.7% up

24 more hosts

Phala$0.84 in$2.64 out1M99.5% up DeepInfrafp4$0.90 in$3.00 out1M98% up InferenceNetfp4$0.90 in$3.00 out1M98% up DigitalOcean$0.91 in$2.86 out1M99.8% up Inceptronfp4$1.04 in$3.39 out1M99.4% up GMI Cloudfp8$1.05 in$3.30 out1M99.5% up Makorafp4$1.05 in$4.20 out980k97.3% up SiliconFlowfp8$1.12 in$3.52 out1M99.7% up Alibaba Cloud$1.19 in$3.74 out1M100% up Decartfp4$1.19 in$3.74 out1M99.1% up Friendli$1.26 in$3.96 out1M100% up AkashMLfp8$1.30 in$4.40 out1M100% up AtlasCloudfp8$1.40 in$4.40 out1M99.4% up Basetenfp4$1.40 in$4.40 out1M99.7% up Cloudflare Workers AI$1.40 in$4.40 out1.3M99.8% up Crusoefp4$1.40 in$4.40 out1M98.3% up Fireworks$1.40 in$4.40 out1M99.5% up Mistralnvfp4$1.40 in$4.40 out1M99.7% up Modal$1.40 in$4.40 out1M99% up Parasailfp8$1.40 in$4.40 out1M99.1% up Together$1.40 in$4.40 out1M98.1% up Venice$1.40 in$4.40 out1M98.8% up Wafer$1.40 in$4.40 out1M99.9% up Z.aifp8$1.40 in$4.40 out1M99.9% up

Llama 3.1 405B

No hosts listed on OpenRouter.

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

Research

What we learned reading every model

FAQ

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More comparisons

Cost per 1M tokens

30 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GLM 5.3 and Llama 3.1 405B?

Which is better, GLM 5.3 or Llama 3.1 405B?

How much does GLM 5.3 cost compared to Llama 3.1 405B?

How can I compare GLM 5.3 and Llama 3.1 405B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

30 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between GLM 5.3 and Llama 3.1 405B?

Which is better, GLM 5.3 or Llama 3.1 405B?

How much does GLM 5.3 cost compared to Llama 3.1 405B?

How can I compare GLM 5.3 and Llama 3.1 405B on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages