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DeepSeek V4.1 Flash 1017 vs GLM 5.2

Compare DeepSeek V4.1 Flash 1017 from DeepSeek and GLM 5.2 from Z.AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

DeepSeekDeepSeek V4.1 Flash 1017Z.AIGLM 5.2
50% off·Oct 29 07:00 – Nov 12 07:00 GMT+0
DeepSeek logo
DeepSeek V4.1 Flash 1017
DeepSeek · text, image → text

The official latest version of DeepSeek V4.1 Flash has been upgraded to DeepSeek-V4.1-Flash-1017. API usage and pricing remain unchanged—you can still access the latest model using deepseek-flash.

Input$0.155$0.0775 /M
Output$0.62$0.31 /M
Cache read$0.0031$0.0015 /M
Z.AI logo
GLM 5.2
Z.AI · text → text

GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.

Input$1.1268 /M
Output$3.9438 /M
Cache read$0.2817 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

DeepSeek V4.1 Flash 1017
GLM 5.2
Input /M
$0.155$0.0775−50%
$1.1268
Output /M
$0.62$0.31−50%
$3.9438
Cache read /M
$0.0031$0.0015−50%
$0.2817
Context length
1,000,000
1,000,000
Max output
393,216
131,072
Time to First Token
0.9 s
0.8 s
Throughput
130.9 tok/s
35.2 tok/s
Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
October 17, 2026
June 16, 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

deepseek-v4.1-flash-1017glm-5.2

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

deepseek-v4.1-flash-1017glm-5.2

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
deepseek-v4.1-flash-1017glm-5.2
146014801500
Overall
14751476
WebDev Arena
deepseek-v4.1-flash-1017glm-5.2
1580160016201640
Overall
16041619

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

DeepSeek V4.1 Flash 1017
$19$9.30 /mo
GLM 5.2
$127 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: DeepSeek V4.1 Flash 1017, GLM 5.2?

DeepSeek V4.1 Flash 1017: $0.31/M output tokens; GLM 5.2: $3.9438/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

GLM 5.2: 0.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

DeepSeek V4.1 Flash 1017 accepts 1,000,000 and GLM 5.2 accepts 1,000,000 input tokens. Maximum output per request is 393,216 tokens on DeepSeek V4.1 Flash 1017 and 131,072 tokens on GLM 5.2.

Which one generates tokens faster?

DeepSeek V4.1 Flash 1017 at 130.9 tok/s and GLM 5.2 at 35.2 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

DeepSeek V4.1 Flash 1017 accepts text and image input; GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs.

Can I call DeepSeek V4.1 Flash 1017 and GLM 5.2 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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