Compare DeepSeek V4 Flash from DeepSeek and GPT 5.2 from OpenAI 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
GPT 5.2DeepSeek V4 Flash 0423 is DeepSeek's efficiency-optimized Mixture-of-Experts text model, designed for fast inference and workflows requiring tool use, function calling, and structured outputs. It features 284B total parameters with 13B activated parameters and supports a 1M-token context window with cost-effective pricing.
GPT‑5.2 builds on GPT‑5.1 with improvements that make interactions more reliable, flexible, and user-friendly. The focus is on delivering clearer responses, better adaptability, and enhanced control for diverse tasks. Key highlights include: Accelerate agent development: Build AI agents for analytics, decision support, code modernization, and data pipelines. Greater consistency: Produces more predictable and accurate outputs aligned with user instructions. Adaptive reasoning: Handles complex queries with improved depth while remaining efficient for simpler tasks. Expanded context handling: Supports longer inputs for multi-step workflows and richer conversations. Refined customization: Offers better control over tone, style, and structured output for tailored experiences. Broader applicability: Strengthens performance across a wide range of domains while maintaining clarity and safety.
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.
DeepSeek V4 Flash: $0.928/M output tokens; GPT 5.2: $14/M. Use the cost calculator above to estimate your own workload.
DeepSeek V4 Flash: 1452; GPT 5.2: 1433 (LMArena coding leaderboard).
DeepSeek V4 Flash accepts 1,000,000 and GPT 5.2 accepts 400,000 input tokens.
DeepSeek V4 Flash accepts text input and supports tool calling, function calling and structured outputs; GPT 5.2 accepts text, image and PDF input and supports thinking, web search, function calling, structured outputs and tool calling.
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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