API cost decision in 10 seconds

NewPerceptron Mk1 vs GLM 5V Turbo

Pick Perceptron Mk1 for lower cost; pick GLM 5V Turbo only if the larger context window matters more.

Pricing data updated: 2026-05-26T11:08:00Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Perceptron Mk1 for lower cost; pick GLM 5V Turbo only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $3.2 for GLM 5V Turbo, saving $2.3 (71.9% lower).

Cost-first pickPerceptron Mk1

Context-first pickGLM 5V Turbo

Sample savings$2.371.9%

10x traffic gap$23

GLM 5V Turbo has more context, but Perceptron Mk1 saves $2.3 on the standard workload. At 10x that traffic, the same price gap is about $23. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Perceptron Mk1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Perceptron Mk1	GLM 5V Turbo
Input-heavy / RAG	5M input + 500K output	Perceptron Mk1	$1.5	$8
Balanced workload	1M input + 1M output	Perceptron Mk1	$1.65	$5.2
Output-heavy chatbot	1M input + 5M output	Perceptron Mk1	$7.65	$21.2

Cheaper input Perceptron Mk1 $0.15 vs $1.2 / 1M

Perceptron Mk1 is $1.05 cheaper per 1M input tokens (87.5% lower; 8x difference).

Cheaper output Perceptron Mk1 $1.5 vs $4 / 1M

Perceptron Mk1 is $2.5 cheaper per 1M output tokens (62.5% lower; 2.67x difference).

Larger context GLM 5V Turbo 32.77K vs 202.75K

GLM 5V Turbo has 169.98K more context (6.19x larger).

Sample workload Perceptron Mk1 $0.9 vs $3.2

Perceptron Mk1 is $2.3 cheaper on the standard workload (71.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Perceptron Mk1 Calculating… Estimated API cost

GLM 5V Turbo Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Perceptron Mk1 has the lower input price; Perceptron Mk1 has the lower output price; GLM 5V Turbo offers the larger context window. For the 1M input plus 500K output sample, Perceptron Mk1 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.9 for Perceptron Mk1 and $3.2 for GLM 5V Turbo.

Best Fit

Choose Perceptron Mk1 when you care most about lower input-token price, and lower output-token price.

Choose GLM 5V Turbo when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $3.2 for GLM 5V Turbo, saving $2.3 (71.9% lower).
Perceptron Mk1 is $2.3 cheaper on the standard workload (71.9% lower).
Perceptron Mk1 is $1.05 cheaper per 1M input tokens (87.5% lower; 8x difference).
Perceptron Mk1 is $2.5 cheaper per 1M output tokens (62.5% lower; 2.67x difference).
GLM 5V Turbo has 169.98K more context (6.19x larger).

Head-to-Head Specs

Feature	NewPerceptron Mk1 (Perceptron)	GLM 5V Turbo (Z.ai)
Input Price prompt tokens per 1M	$0.15	$1.2
Completion Price per 1M tokens	$1.5	$4
Sample Workload Cost 1M input + 500K output	$0.9	$3.2
Context Window	32.77K	202.75K
Release Date	2026-05-12	2026-04-01

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Perceptron Mk1	On the standard 1M input plus 500K output workload, Perceptron Mk1 is estimated at $0.9 vs $3.2 for GLM 5V Turbo, saving $2.3 (71.9% lower).
High-volume input processing	Perceptron Mk1	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Perceptron Mk1	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GLM 5V Turbo	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

GLM 4.5 Air (free) can replace GLM 5V Turbo when lower sample workload cost matters most: $0.
GLM 4 32B can replace GLM 5V Turbo when lower sample workload cost matters most: $0.15.
GLM 4.7 Flash can replace GLM 5V Turbo when lower sample workload cost matters most: $0.26.
GLM 4.5 Air can replace GLM 5V Turbo when lower sample workload cost matters most: $0.55.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
Gemini 3.1 Flash Lite offers 1.05M context with $1 sample workload cost.

Popular competitors

No popular competitor is currently available.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Perceptron catalog

Review all tracked Perceptron models before deciding whether this matchup is the right shortlist.

Open Perceptron models

Z.ai catalog

Check other Z.ai models with comparable pricing, context, or release timing.

Open Z.ai models

Perceptron Mk1

Perceptron Mk1 (Mark One) is Perceptron's highest-quality vision-language model for video and embodied reasoning.** It accepts image and video inputs paired with natural language queries, and produces detailed visual understanding...

GLM 5V Turbo

GLM-5V-Turbo is Z.ai’s first native multimodal agent foundation model, built for vision-based coding and agent-driven tasks. It natively handles image, video, and text inputs, excels at long-horizon planning, complex coding,...