Standard Compute
Cost per coding-agent request

Is DeepSeek V4 Flash or GLM 5.2 cheaper for coding agents?

For coding agents, GLM 5.2 costs 8.6x as much as DeepSeek V4 Flash per request ($0.057 vs $0.0067 on our measured traffic), because GLM 5.2 lists at $1.40 input, $0.26 cached input and $4.40 output per million tokens against $0.30, $0.006 and $1.20 for DeepSeek V4 Flash.

List prices: DeepSeek API pricing, Z.AI pricing, checked 2026-10-13. Request costs: Standard Compute gateway data, 79,301 coding-agent requests from 75 users, Sep 13 to Oct 12, 2026. How we compute this

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Cost per coding-agent request, side by side

Cost at list priceDeepSeek V4 FlashGLM 5.2
Prompt under 100K tokens50% of requests, 87% of input cached$0.0033$0.026
Prompt of 100K to 272K39% of requests, 88% of input cached$0.0080$0.070
Prompt over 272K tokens11% of requests, 86% of input cached$0.018$0.16
Average request$0.0067$0.057
100 requests$0.67$5.72
Median session16 requests; a session ends after 10 idle minutes$0.091$0.71
A month of regular usemedian of 20 users active on 5+ days$9.13$92.16

Each logged request priced at the vendor’s list rates for its own token counts, including cache reads and any higher rate for long prompts. Average output: 698 tokens per request.

Benchmarks, speed and latency, side by side

Artificial AnalysisDeepSeek V4 FlashGLM 5.2
Intelligence Index10 evaluations, 0 to 1003934
Terminal-Bench 4.0agentic coding in a terminal26.8%1.0%
Output speedmedian195 tokens/s83 tokens/s
Time to first answer tokenincludes thinking time11 s27 s

Source: Artificial Analysis (artificialanalysis.ai). Measured variants: DeepSeek V4.1 Flash (Max), speed on DeepSeek; GLM-5.2 (Max), speed on Z AI. Fetched October 13, 2026. Artificial Analysis runs Terminal-Bench 4.0 in its own setup, so its scores differ from the tbench.ai leaderboard.

What to watch for

87% of agent input is read from cache, and GLM 5.2 charges $0.26 per million for it against $0.006. DeepSeek V4 Flash is superseded: DeepSeek V4.1 Flash costs $0.0067 per request. GLM 5.2 is superseded: GLM 5.3 costs $0.057 per request.

FAQ

Is DeepSeek V4 Flash cheaper than GLM 5.2 for coding agents?
Yes, at list prices. 100 average coding-agent requests cost $0.67 on DeepSeek V4 Flash and $5.72 on GLM 5.2. A median 16-request session costs $0.091 vs $0.71. Measured on 79,301 real coding-agent requests (Sep 13 to Oct 12, 2026).
How much does a month of GLM 5.2 vs DeepSeek V4 Flash cost?
For the median regular user in our data (1,478 requests in 30 days), about $92.16 on GLM 5.2 and $9.13 on DeepSeek V4 Flash at list price. Heavier users pay proportionally more.
DeepSeek V4 Flash vs GLM 5.2: which is better for agents?
DeepSeek V4 Flash scores higher on output quality (7.7/10 vs 6.9/10), while DeepSeek V4 Flash is the cheaper option. DeepSeek V4 Flash is best for existing setups that still call the deepseek-v4-flash name; GLM 5.2 is best for existing GLM 5.2 setups until they move to GLM 5.3. Live community votes on this page show what people actually prefer.
Can I switch between DeepSeek V4 Flash and GLM 5.2 in the same agent?
Yes. Model-agnostic agents (Cline, Aider, OpenClaw, Hermes Agent, Kilo Code, OpenCode) let you swap models per task. Many people route hard tasks to the stronger model and routine work to the cheaper one.

Community vote

Pick a winner in each dimension. You can change your vote any time. 9 votes cast so far.

Output Quality

Correctness and depth of what it produces

0%4 votes100%

Agentic Ability

Tool calls, instruction-following, and multi-step tasks

0%1 vote100%

Speed

Tokens per second and time-to-first-token

0%1 vote100%

Value for Money

How much capability you get per dollar

0%2 votes100%

Reliability

Consistent results: fewer refusals, loops and format breaks

0%1 vote100%

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