DeepSeek 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.
DeepSeek V4 Flash vs Gemini 2.5 Flash Lite Preview 09 2025
Compare DeepSeek V4 Flash from DeepSeek and Gemini 2.5 Flash Lite Preview 09 2025 from Google on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
gemini-2.5-flash-lite latest preview version
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 (%)
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: DeepSeek V4 Flash, Gemini 2.5 Flash Lite Preview 09 2025?
Gemini 2.5 Flash Lite Preview 09 2025: $0.4/M output tokens; DeepSeek V4 Flash: $0.928/M. Use the cost calculator above to estimate your own workload.
Which responds faster?
Gemini 2.5 Flash Lite Preview 09 2025: 0.3s 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 Flash accepts 1,000,000 and Gemini 2.5 Flash Lite Preview 09 2025 accepts 1,048,576 input tokens.
Which one generates tokens faster?
Gemini 2.5 Flash Lite Preview 09 2025 at 147.7 tok/s and DeepSeek V4 Flash at 59.0 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 Flash accepts text input and supports tool calling, function calling and structured outputs; Gemini 2.5 Flash Lite Preview 09 2025 accepts text, image, video, audio and PDF input and supports tool calling, function calling and structured outputs.
Can I call DeepSeek V4 Flash and Gemini 2.5 Flash Lite Preview 09 2025 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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