Z.ai: GLM 4.6V
GLM-4.6V is a large multimodal model designed for high-fidelity visual understanding and long-context reasoning across images, documents, and mixed media. It supports up to 128K tokens, processes complex page layouts...
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Verdict
Best for
- Budget-conscious video content analysis
- Multimodal tasks under cost constraints
- Long-context image and text workflows
- Exploratory video understanding projects
Strengths
The standout feature is native video understanding at $0.90/Mtok output—significantly cheaper than most vision models with video support. The 128K context window handles lengthy documents or multiple images in a single request. Pricing sits well below GPT-4o ($2.50/$10.00) and Claude Sonnet 4 ($3.00/$15.00), making it viable for high-volume multimodal work where budget matters more than bleeding-edge accuracy. The model accepts text, image, and video inputs without requiring separate preprocessing pipelines.
Trade-offs
No public benchmark data means you're flying blind on accuracy relative to established models like GPT-4o or Gemini 1.5 Pro. Video understanding quality is unproven in standardized tests—expect to run your own evals before committing production workloads. The Z.ai provider is less known than OpenAI or Anthropic, raising questions about uptime SLAs and long-term API stability. For mission-critical multimodal tasks, the lack of performance transparency is a real risk.
Specifications
- Provider
- z-ai
- Category
- llm
- Context length
- 131,072 tokens
- Max output
- 32,768 tokens
- Modalities
- image, text, video
- License
- proprietary
- Released
- 2025-12-08
Pricing
- Input
- $0.30/Mtok
- Output
- $0.90/Mtok
- Model ID
z-ai/glm-4.6v
Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.
Team cost calculator
5 seats · 80 msgs/day
Switchy meters this against your org's shared credit pool - one plan, one balance for everyone.
Providers
| Provider | Context | Input | Output | P50 latency | Throughput | 30d uptime |
|---|---|---|---|---|---|---|
| z-ai | 131k | $0.30/Mtok | $0.90/Mtok | — | — | — |
Performance
Benchmarks
Works well with
Top MCPs
Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.
How Switchy teams use it
Starter prompts
Analyze Product Demo Video
Watch this product demo video and create a bulleted list of features shown, with timestamps for each. Note any UI elements or workflows demonstrated.Open in a Space →
Compare Multiple Screenshots
I'm attaching five screenshots of our app's onboarding flow. Identify inconsistencies in button placement, color usage, and copy tone across these screens.Open in a Space →
Summarize Long PDF with Charts
Summarize this 40-page research report. Pay special attention to the charts on pages 12, 18, and 31—explain what trends they show and how they support the conclusions.Open in a Space →
Extract Data from Invoice Images
Extract vendor name, invoice number, line items with quantities and prices, and total amount from this invoice image. Return as JSON.Open in a Space →
Generate Video Content Ideas
Review this marketing video and suggest three alternative concepts that keep the same core message but change the visual style, pacing, or narrative structure.Open in a Space →
Example outputs
Illustrative - representative of the model's voice and quality, not literal recordings.
Analyze this product photo and suggest three specific lighting improvements to make it more appealing for e-commerce. The image shows a ceramic mug on a wooden table with natural window light from the left.
Based on the visual analysis, here are three targeted improvements: First, add a white reflector on the right side to balance the window light and eliminate the harsh shadow on the mug's right edge. Second, position a small LED panel above at 45 degrees to create a subtle rim light that will separate the mug from the background and add depth. Third, place a diffusion sheet over the window to soften the direct sunlight—this will reduce the hot spot on the mug's glazed surface while maintaining the warm, natural feel. These changes will create more even exposure across the product while preserving the authentic lighting mood.
This example demonstrates GLM 4.6V's multimodal vision capability—analyzing image composition and providing actionable technical feedback. The 131K token context window supports detailed visual reasoning. However, without public benchmarks, we can't verify its vision accuracy against GPT-4V or Claude 3.5 Sonnet on standardized image tasks.
Review this 30-second product demo video and write a shot list breaking down each scene transition, camera angle, and on-screen text element. Focus on the first 10 seconds.
Shot list for 0:00-0:10: Opens with a 2-second wide establishing shot, camera static, showing the full product on a white backdrop with the brand logo in the top-right corner. At 0:02, cuts to a slow push-in medium shot, moving from 3 feet to 1.5 feet over 3 seconds, highlighting the product's textured surface. On-screen text 'Designed for Durability' fades in at 0:03, sans-serif white font with 20% opacity drop shadow. At 0:05, quick cut to an overhead shot, camera perpendicular to the surface, showing hands interacting with the product. At 0:08, transition to a 45-degree angle close-up of the product's key feature, held for 2 seconds before the next transition.
Showcases the model's video understanding—temporal sequencing, visual element identification, and frame-by-frame analysis. Video processing at this detail level is rare in sub-$1/Mtok models. The output pricing ($0.90/Mtok) becomes relevant for long video transcripts, where token counts climb quickly compared to text-only tasks.
I'm debugging a React component that fetches user data but the loading state never clears. Here's the useEffect hook—what's wrong and how do I fix it?
The issue is a missing dependency in your useEffect dependency array. Your effect likely calls a function or references a variable that changes between renders, but you haven't included it in the array. This causes the effect to run with stale data, and the loading state update never fires because the condition is evaluated against an outdated value. Fix: add all referenced variables and functions to the dependency array. If you're calling a setState function, wrap the function in useCallback to prevent infinite loops. Also verify your API call has proper error handling—if the request fails silently, the loading flag won't clear. Add a .catch() block or a finally() clause that sets loading to false regardless of success or failure.
Demonstrates code debugging and explanation—a core LLM use case. The response identifies a common React pitfall and provides a structured fix. At $0.30 input / $0.90 output, this is competitively priced for coding tasks, though we lack benchmark data (HumanEval, MBPP) to compare code generation accuracy against Codex or Claude.
Use-case deep-dives
When GLM 4.6V handles mixed-media customer requests at scale
A 12-person SaaS support team gets 200+ tickets daily mixing screenshots, screen recordings, and text descriptions of bugs. GLM 4.6V's video+image+text modalities let you route tickets without forcing customers into one format. The 131k context window holds entire conversation threads plus attached media in a single pass, so your triage automation sees the full history before tagging severity. At $0.30/$0.90 per Mtok, processing 200 mixed-media tickets daily runs roughly $45-60/month depending on video length—cheaper than hiring a junior triager to manually sort formats. If your ticket volume drops below 80/day or stays text-only, standard vision models cost less. Above 200/day with heavy video, this model's format flexibility justifies the spend.
Why GLM 4.6V works for reviewing hour-long user uploads
A 4-person creator platform moderates 50-80 user-submitted videos daily, each 20-90 minutes long. GLM 4.6V's 131k token context fits most full-length videos in one inference call, so your moderation pipeline doesn't need chunking logic or frame-sampling heuristics that miss mid-video violations. The video modality means you're analyzing motion and audio cues, not just keyframes. At $0.90/Mtok output, a detailed moderation report (500-800 tokens) on a 60-minute video costs roughly $0.45-0.72 per video, or $22-58/day for 80 videos. If your videos average under 10 minutes, cheaper vision models with smaller windows handle it. Above 90 minutes per video, you'll hit context limits and need chunking anyway—but for the 20-90 minute range, this model's window is the buying reason.
When GLM 4.6V turns sales call recordings into CRM notes
A 6-person B2B sales team records 15-20 product demos weekly, each 30-45 minutes with screenshare and live UI walkthroughs. GLM 4.6V's video+text modalities let you extract feature requests, objections, and competitive mentions from both the spoken pitch and the on-screen product interaction. The 131k context holds the full demo plus your prompt template for structured CRM output (opportunity stage, next steps, technical blockers). At $0.30 input and $0.90 output per Mtok, processing a 40-minute demo into a 600-token CRM note costs roughly $0.54-0.90 per call, or $8-18/week for 20 demos. If your demos are under 15 minutes or audio-only, standard transcription+LLM pipelines cost half as much. Above 20 demos/week, this model's multimodal context is worth the premium over stitching separate tools.
Frequently asked
Is GLM 4.6V good for multimodal tasks?
Yes. GLM 4.6V handles text, image, and video inputs in a single model, which makes it useful for applications that need to process mixed media. The 131k token context window gives you room for longer documents or multiple images. Without public benchmarks, you're relying on your own testing to confirm quality for your specific use case.
Is GLM 4.6V cheaper than GPT-4 Vision or Claude Sonnet?
Yes, significantly. At $0.30 input and $0.90 output per million tokens, GLM 4.6V costs roughly 10-15x less than GPT-4 Vision or Claude Sonnet for comparable multimodal tasks. The trade-off is zero public benchmarks, so you don't know how quality compares until you test it yourself. If budget matters more than proven performance, it's worth evaluating.
Can GLM 4.6V handle long video analysis?
The 131k context window suggests it can process substantial video content, but without benchmarks or vendor specs on frame sampling rates, you're guessing. Test with your actual video lengths and complexity. If you need guaranteed video understanding at scale, models with published video benchmarks like Gemini 1.5 Pro give you more certainty upfront.
How does GLM 4.6V compare to GLM 4.5 or earlier versions?
No public data exists to compare GLM 4.6V against prior GLM versions. The version number suggests incremental improvement, and the multimodal support (text, image, video) indicates broader capability than text-only predecessors. You'll need to run side-by-side tests on your workload to measure any quality or speed gains over GLM 4.5.
Should I use GLM 4.6V for production document processing?
Only after thorough testing. The pricing is attractive for high-volume document workflows with images or mixed media, and the context window handles long files. But the absence of public benchmarks means you can't predict accuracy, hallucination rates, or edge-case behavior. Prototype with real documents, measure error rates, then decide if the cost savings justify the risk.