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.
GLM 5.2 vs Qwen3 Coder Flash
Output tokens cost $3.94 per million on GLM 5.2 and $0.54 per million on Qwen3 Coder Flash. Input tokens cost $1.13 per million on GLM 5.2 and $0.14 per million on Qwen3 Coder Flash. Cached input tokens are billed at $0.28 per million on GLM 5.2 and $0.14 per million on Qwen3 Coder Flash. Context lengths are 1,000,000 tokens on GLM 5.2 and 256,000 tokens on Qwen3 Coder Flash. Time to first token (TTFT) measured on AIHubMix is 1.1s on GLM 5.2 and 1.9s on Qwen3 Coder Flash. Measured output throughput is 36.9 tok/s on GLM 5.2 and 57.5 tok/s on Qwen3 Coder Flash. On the LMArena coding leaderboard GLM 5.2 scores 1505 and Qwen3 Coder Flash scores 1457.
GLM 5.2Qwen3 Coder Flash is Alibaba's fast and cost efficient version of their proprietary Qwen3 Coder Plus. It is a powerful coding agent model specializing in autonomous programming via tool calling and environment interaction, combining coding proficiency with versatile general-purpose abilities.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
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.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
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.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: GLM 5.2, Qwen3 Coder Flash?
Qwen3 Coder Flash: $0.54/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; Qwen3 Coder Flash: 1457 (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?
GLM 5.2 accepts 1,000,000 and Qwen3 Coder Flash accepts 256,000 input tokens. Maximum output per request is 128,000 tokens on GLM 5.2 and 65,536 tokens on Qwen3 Coder Flash.
Which one generates tokens faster?
Qwen3 Coder Flash at 57.5 tok/s and GLM 5.2 at 36.9 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
What inputs and capabilities does each model support?
GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs; Qwen3 Coder Flash accepts text input and supports tool calling, function calling and structured outputs.
Can I call GLM 5.2 and Qwen3 Coder Flash 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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