iToverDose/Software· 8 JULY 2026 · 12:03

How to pick the right LLM for your stack: DeepSeek vs Qwen vs Kimi vs GLM

Comparing four leading Chinese LLMs reveals surprising differences in cost, performance, and production readiness that can save startups tens of thousands per month.

DEV Community4 min read0 Comments

Six months ago, our monthly cloud bill nearly derailed our runway. We were locked into a single Western LLM provider, and the inference costs were spiraling out of control. As CTO, I had to find alternatives—fast. After deep research and months of benchmarking, I discovered that DeepSeek, Qwen, Kimi, and GLM are no longer just "cheap alternatives." Some are production-ready with costs that could make a venture capitalist smile, while others still have rough edges. The pricing is inconsistent, and vendor lock-in remains a real threat. Here’s what I learned while running real workloads through all four models via Global API’s unified endpoint—including the actual bills.

Why model choice compounds into startup survival

Early-stage teams often overlook how deeply their LLM provider choice embeds into their tech stack. Every prompt, fine-tuning dataset, and agent workflow becomes tightly coupled to a specific API contract, billing model, and rate limits. Switching later isn’t just a configuration change—it’s weeks of migration work and potential downtime.

At scale, even a $0.10 difference per million tokens adds up. For a startup processing 500 million tokens monthly, that’s $50,000 in unnecessary annual spend. The Chinese LLM ecosystem now offers credible alternatives, and critically, all four models expose OpenAI-compatible APIs, reducing switching costs dramatically compared to even a year ago.

Side-by-side pricing and performance snapshot

I pulled pricing from Global API and cross-checked against my own invoices. Here’s the breakdown:

  • DeepSeek (by DeepSeek AI, 幻方): $0.25–$2.50 per million output tokens

Best budget: V4 Flash at $0.25 Best overall: V4 Flash at $0.25

  • Qwen (by Alibaba, 阿里): $0.01–$3.20 per million output tokens

Best budget: Qwen3-8B at $0.01 Best overall: Qwen3-32B at $0.28

  • Kimi (by Moonshot AI, 月之暗面): $3.00–$3.50 per million output tokens

No budget tier; all premium

  • GLM (by Zhipu AI, 智谱): $0.01–$1.92 per million output tokens

Best budget: GLM-4-9B at $0.01 Best overall: GLM-5 at $1.92

All four models support up to 128K context windows and offer OpenAI-compatible APIs. Vision support varies: Qwen and GLM include multimodal capabilities, while Kimi and DeepSeek have limited or no vision features.

Kimi delivers premium reasoning—but at a steep price

Kimi is polarizing for one reason: cost. There’s no entry-tier option. K2.5 starts at $3.00 per million output tokens, reaching $3.50 at the top. That’s an order of magnitude above DeepSeek V4 Flash at $0.25. So why consider it?

It excels at multi-step logical reasoning. In tests involving math, logic puzzles, and chain-of-thought planning, Kimi K2.5 outperformed the others on tasks where a wrong answer could cost real business value—such as financial analysis, legal document review, or complex planning workflows.

In production, we route about 12% of our total inference volume through Kimi, specifically requests demanding deep reasoning. For a feature that summarizes multiple documents for due diligence workflows, switching from a Western model to Kimi reduced our human-review rate by about 18%, easily offsetting the higher per-token cost.

Still, Kimi isn’t a general-purpose workhorse. Its $3.00/M pricing rules it out for bulk workloads. It also lacks vision support, so if your product needs image understanding, Kimi isn’t viable.

DeepSeek emerges as the English-language default

For English-language general tasks, DeepSeek V4 Flash at $0.25/M output is exceptional. It handles roughly 92% of what we previously sent to far more expensive Western models, with quality that’s genuinely strong—not just “good for the price.”

Its code generation performance was surprising. In internal benchmarks combining LeetCode-style problems with real production refactoring tasks, DeepSeek Coder tied or beat models costing four to eight times more. For a startup burning tokens on developer tools, that’s a game-changing ROI lever.

Latency is also impressive. In my tests, V4 Flash delivers around 60 tokens per second, among the fastest I measured. When building user-facing features, every 100ms of latency impacts conversion rates—so speed matters, and DeepSeek delivers.

Weaknesses remain: vision support is limited, and on pure Chinese-language benchmarks, GLM and Kimi edge it out. If your product serves primarily Chinese-speaking users, DeepSeek shouldn’t be your first choice.

Here’s a typical API call we make dozens of times daily:

from openai import OpenAI

client = OpenAI(
    api_key="ga_xxxxxxxxxxxx",
    base_url="
)

response = client.chat.completions.create(
    model="deepseek-v4-flash",
    messages=[
        {"role": "user", "content": "Write a Python script to parse a CSV file and extract rows matching a condition."}
    ],
    temperature=0.3
)

Qwen and GLM: the budget-friendly powerhouses

Qwen3-8B at just $0.01 per million output tokens is essentially free for low-stakes workloads. For early-stage startups or large-scale batch processing, it’s an ideal choice to cut costs without sacrificing quality.

GLM-4-9B also starts at $0.01/M, with GLM-5 reaching $1.92/M for premium performance. Both models include multimodal support, making them strong candidates for applications requiring image or document understanding.

Performance-wise, Qwen and GLM are highly competitive across reasoning, Chinese language tasks, and English language support. Their pricing flexibility allows teams to experiment freely without fear of runaway cloud costs.

Final take: diversify now, avoid lock-in later

The LLM ecosystem has matured beyond simple “cheap vs expensive” trade-offs. DeepSeek, Qwen, Kimi, and GLM each offer distinct strengths—DeepSeek for English and code, Kimi for premium reasoning, Qwen and GLM for budget flexibility and multimodal needs.

Startups should diversify early. Route high-value reasoning to Kimi, bulk English tasks to DeepSeek, and low-cost experimentation to Qwen or GLM. Use OpenAI-compatible APIs to keep switching friction low, and monitor token economics monthly. The model that saves you $50,000 today could be obsolete tomorrow—but the one that locks you in might cost you everything.

The future of LLM infrastructure isn’t monolithic. It’s plural.

AI summary

Compare pricing, performance, and production readiness of DeepSeek, Qwen, Kimi, and GLM to cut LLM costs without sacrificing quality or scalability.

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