ZMIME
Comparison · 3 models · Updated Oct 4, 2026

Nemotron VoiceChat vs GLM-4.5-Flash vs Laguna M.1

Too close to call on our weighted score (Laguna M.1 68, GLM-4.5-Flash 65, Nemotron VoiceChat 65). The right pick depends on what you value most.

  1. NVIDIA

    Nemotron VoiceChat

    Released Mar 16, 2026

    65/100
    • ECI—
    • PriceFree / Free
    • Context128K
  2. Z.ai (Zhipu)

    GLM-4.5-Flash

    Released Jul 28, 2025

    65/100
    • ECI—
    • PriceFree / Free
    • Context131K
  3. Poolside

    Laguna M.1

    Released Apr 28, 2026

    68/100
    • ECI—
    • PriceFree / Free
    • Context262K
01 — Verdict

Too close to call

It is close. Our weighted score puts them within 2 points (Laguna M.1 68/100, GLM-4.5-Flash 65/100, Nemotron VoiceChat 65/100), so choose by what matters most for your work: Nemotron VoiceChat on price and Laguna M.1 for long inputs. 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 priceSame priceNemotron VoiceChat Free · GLM-4.5-Flash Free · Laguna M.1 Free per 1M tokens (3:1 blend)
  • Longest contextLaguna M.1Laguna M.1 262,144 · GLM-4.5-Flash 131,072 · Nemotron VoiceChat 128,000 tokens
  • Widest inputsNemotron VoiceChatNemotron VoiceChat: Text, Audio · GLM-4.5-Flash: Text · Laguna M.1: Text
  • Self-hostingNemotron VoiceChat and Laguna M.1Publishes downloadable weights
How the score is built
MeasureWeightNemotron VoiceChatGLM-4.5-FlashLaguna M.1
Price50%100100100
Inputs & features30%353535
Context window20%242437
Overall100%65/10065/10068/100

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.

Nemotron VoiceChat vs GLM-4.5-Flash vs Laguna M.1 specifications side by side
SpecificationNemotron VoiceChatNVIDIAGLM-4.5-FlashZ.ai (Zhipu)Laguna M.1Poolside
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
InputFreeFreeFree
OutputFreeFreeFree
Cached input———
Blended (3:1)FreeFreeFree
Long-context rateSame rateSame rateSame rate
Price sourceOfficial Nvidia APIOfficial Z.AI APIOfficial Poolside API
Limits
Context window128,000 tokens131,072 tokens262,144 tokens (best)
Max output8,192 tokens98,304 tokens (best)32,768 tokens
Inputs and features
TextYesYesYes
ImagesNoNoNo
PDFsNoNoNo
AudioYesNoNo
VideoNoNoNo
ReasoningNoYesYes
Tool callingYesYesYes
Structured outputNoNoNo
Availability
WeightsOpenProprietaryOpen
API model IDnvidia/nemotron-voicechatglm-4.5-flashpoolside/laguna-m.1
API providers14 (best)2
ReleasedMar 16, 2026Jul 28, 2025Apr 28, 2026
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.

  • Nemotron VoiceChatFree
  • GLM-4.5-FlashFree
  • Laguna M.1Free
04 — Questions

Which should you choose?

Which is better: Nemotron VoiceChat, GLM-4.5-Flash or Laguna M.1?

It is close. Our weighted score puts them within 2 points (Laguna M.1 68/100, GLM-4.5-Flash 65/100, Nemotron VoiceChat 65/100), so choose by what matters most for your work: Nemotron VoiceChat on price and Laguna M.1 for long inputs. 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, Nemotron VoiceChat, GLM-4.5-Flash or Laguna M.1?

Nemotron VoiceChat, GLM-4.5-Flash and Laguna M.1 cost the same: Free input / Free output per million tokens.

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Nemotron VoiceChat has not been scored yet, GLM-4.5-Flash has not been scored yet and Laguna M.1 has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Nemotron VoiceChat, GLM-4.5-Flash and Laguna M.1 yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Laguna M.1 has the largest context window at 262,144 tokens, against 131,072 for GLM-4.5-Flash and 128,000 for Nemotron VoiceChat. Maximum output per response: Nemotron VoiceChat up to 8,192, GLM-4.5-Flash up to 98,304, Laguna M.1 up to 32,768 tokens.

Which can read images, PDFs, audio or video?

Nemotron VoiceChat accepts text and audio; GLM-4.5-Flash accepts text; Laguna M.1 accepts text. Nemotron VoiceChat handles the widest range of inputs.

Are any of these open source?

Nemotron VoiceChat and Laguna M.1 publishes its weights and can be self-hosted; GLM-4.5-Flash is proprietary.

Which is newer?

Laguna M.1 is the newest, released Apr 28, 2026. Nemotron VoiceChat came out Mar 16, 2026; GLM-4.5-Flash came out Jul 28, 2025. Knowledge cutoff: GLM-4.5-Flash 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 Oct 4, 2026.