Models

DeepSeek V4 Pro vs GLM 5.2

Compare DeepSeek V4 Pro 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 ProZ.AIGLM 5.2
DeepSeek logo
DeepSeek V4 Pro
DeepSeek · text → text

(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-pro-0813)DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.( Directly requesting deepseek-v4-pro will route you through the official discount channel.)

Input$1.69 /M
Output$3.38 /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$1.13 /M
Output$3.94 /M

Pricing & Specifications

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

DeepSeek V4 Pro
GLM 5.2
Input /M
$1.69
$1.13
Output /M
$3.38
$3.94
Cache read /M
$0.14
$0.28
Context length
1,000,000
1,000,000
Max output
384,000
128,000
Time to First Token
1.2 s
1.1 s
Throughput
47.4 tok/s
33.6 tok/s
Modalities
text
text
Supported Parameters
toolsfunction callingstructured outputsthinking
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
April 24, 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-proglm-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-proglm-5.2

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

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

Text
deepseek-v4-proglm-5.2
1420146015001540
Overall
14581470
Coding
15021505
Math
14451475
Hard prompts
14801488
Instruction following
14531462
Multi-turn
14701476
Creative writing
14451450
Longer query
14731479
Chinese
14951516
English
14681477
WebDev Arena
deepseek-v4-proglm-5.2
1420148015401600
Overall
14451582
React
14391594
HTML
14371537
Gaming
14501617
Simulations
14421606
Data analytics
14361542

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.

GLM 5.2
$127 /mo
DeepSeek V4 Pro
$152 /mo

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

FAQ

Which is cheaper: DeepSeek V4 Pro, GLM 5.2?

DeepSeek V4 Pro: $3.38/M output tokens; GLM 5.2: $3.94/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

GLM 5.2: 1505; DeepSeek V4 Pro: 1502 (LMArena coding leaderboard).

Which responds faster?

GLM 5.2: 1.1s 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 Pro accepts 1,000,000 and GLM 5.2 accepts 1,000,000 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Pro and 128,000 tokens on GLM 5.2.

Which one generates tokens faster?

DeepSeek V4 Pro at 47.4 tok/s and GLM 5.2 at 33.6 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 Pro accepts text input and supports tool calling, function calling, structured outputs and thinking; GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs.

Can I call DeepSeek V4 Pro 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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