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Comparison · 2 models · Updated Nov 2, 2026

Hermes 2 Pro Llama 3 8B vs GLM-4.5-Air

Hermes 2 Pro Llama 3 8B comes out ahead, 51 to 48 on our weighted score, and it is the cheaper option too.

  1. Our pick

    Nous Research

    Hermes 2 Pro Llama 3 8B

    Released Apr 30, 2024

    51/100
    • ECI—
    • Price$0.14 / $0.14
    • Context8K
    Full specs Remove Hermes 2 Pro Llama 3 8B

  2. Z.ai (Zhipu)

    GLM-4.5-Air

    Released Jul 28, 2025

    48/100
    • ECI—
    • Price$0.20 / $1.10
    • Context131K
    Full specs Remove GLM-4.5-Air

  3. Add a model

    Make it a three-way comparison.

01 — Verdict

Hermes 2 Pro Llama 3 8B is our pick

Hermes 2 Pro Llama 3 8B is the better all-round choice, scoring 51/100 against GLM-4.5-Air (48). It leads on price. GLM-4.5-Air 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 priceHermes 2 Pro Llama 3 8BHermes 2 Pro Llama 3 8B $0.14 · GLM-4.5-Air $0.425 per 1M tokens (3:1 blend)
  • Longest contextGLM-4.5-AirGLM-4.5-Air 131,072 · Hermes 2 Pro Llama 3 8B 8,192 tokens
  • Widest inputsSame inputsHermes 2 Pro Llama 3 8B: Text · GLM-4.5-Air: Text
  • Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
How the score is built
MeasureWeightHermes 2 Pro Llama 3 8BGLM-4.5-Air
Price50%8765
Inputs & features30%2535
Context window20%025
Overall100%51/10048/100

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.

Hermes 2 Pro Llama 3 8B vs GLM-4.5-Air specifications side by side
SpecificationHermes 2 Pro Llama 3 8BNous ResearchGLM-4.5-AirZ.ai (Zhipu)
Capability
Capabilities Index (ECI)——
ECI rank——
Price per million tokens
Input$0.14 (best)$0.20
Output$0.14 (best)$1.10
Cached input—$0.03
Blended (3:1)$0.14 (best)$0.425
Long-context rateSame rateSame rate
Price sourceMedian of 2 providersOfficial Z.AI API
Limits
Context window8,192 tokens131,072 tokens (best)
Max output8,192 tokens98,304 tokens (best)
Inputs and features
TextYesYes
ImagesNoNo
PDFsNoNo
AudioNoNo
VideoNoNo
ReasoningNoYes
Tool callingYesYes
Structured outputNoNo
Availability
WeightsOpenLlama 3 Community LicenseOpen
API model ID—glm-4.5-air
API providers219 (best)
ReleasedApr 30, 2024Jul 28, 2025
Knowledge cutoff—Apr 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.

  • Hermes 2 Pro Llama 3 8B$1.68
  • GLM-4.5-Air$4.20
04 — Questions

Which should you choose?

Which is better: Hermes 2 Pro Llama 3 8B or GLM-4.5-Air?

Hermes 2 Pro Llama 3 8B is the better all-round choice, scoring 51/100 against GLM-4.5-Air (48). It leads on price. GLM-4.5-Air 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, Hermes 2 Pro Llama 3 8B or GLM-4.5-Air?

Hermes 2 Pro Llama 3 8B is cheaper at $0.14 input / $0.14 output per million tokens (median across 2 API providers). GLM-4.5-Air costs $0.20 input / $1.10 output per million tokens (official Z.AI API price). At a typical mix of three input tokens to one output token, that is $0.14 per million tokens for Hermes 2 Pro Llama 3 8B versus $0.425 for GLM-4.5-Air (3× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers both models yet. Hermes 2 Pro Llama 3 8B has not been scored yet and GLM-4.5-Air has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Hermes 2 Pro Llama 3 8B and GLM-4.5-Air 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?

GLM-4.5-Air has the largest context window at 131,072 tokens, against 8,192 for Hermes 2 Pro Llama 3 8B. Maximum output per response: Hermes 2 Pro Llama 3 8B up to 8,192, GLM-4.5-Air up to 98,304 tokens.

Which can read images, PDFs, audio or video?

Hermes 2 Pro Llama 3 8B accepts text; GLM-4.5-Air accepts text. They handle the same number of input types.

Are any of these open source?

Yes, both publish their weights (Llama 3 Community License), so you can self-host them.

Which is newer?

GLM-4.5-Air is the newest, released Jul 28, 2025. Hermes 2 Pro Llama 3 8B came out Apr 30, 2024. Knowledge cutoff: GLM-4.5-Air 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 Nov 2, 2026.

05 — Keep comparing

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