Compare DeepSeek V4 Flash from DeepSeek and Qwen3.6 Plus Preview (free) from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
DeepSeek V4 Flash
Qwen3.6 Plus Preview (free)(This model currently points to the older 0423 version; if you need to request the latest version, you can choose the model deepseek-v4-flash-0731)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.
This model has been removed from the platform.
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.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
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.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
Qwen3.6 Plus Preview (free): 1493; DeepSeek V4 Flash: 1483 (LMArena coding leaderboard).
DeepSeek V4 Flash accepts 1,000,000 and Qwen3.6 Plus Preview (free) accepts 1,000,000 input tokens. Maximum output per request is 384,000 tokens on DeepSeek V4 Flash and 65,535 tokens on Qwen3.6 Plus Preview (free).
DeepSeek V4 Flash accepts text input and supports tool calling, function calling, structured outputs and thinking; Qwen3.6 Plus Preview (free) accepts text input and supports thinking and long context.
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