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 GPT 5.6 Sol
Compare DeepSeek V4 Flash from DeepSeek and GPT 5.6 Sol 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.
GPT-5.6 Sol is OpenAI's flagship multimodal model, designed for complex reasoning, coding, and agentic workflows. It supports text and image inputs with an extensive context window of 1,050,000 tokens. Featuring thinking, tool use, and structured outputs capabilities, it is particularly strong at command-line and multi-step coding tasks.
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, GPT 5.6 Sol?
DeepSeek V4 Flash: $0.928/M output tokens; GPT 5.6 Sol: $30/M. Use the cost calculator above to estimate your own workload.
Which responds faster?
DeepSeek V4 Flash: 0.7s 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 GPT 5.6 Sol accepts 1,050,000 input tokens.
Which one generates tokens faster?
DeepSeek V4 Flash at 59.0 tok/s and GPT 5.6 Sol at 44.4 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; GPT 5.6 Sol accepts text and image input and supports tool calling, thinking and structured outputs.
Can I call DeepSeek V4 Flash and GPT 5.6 Sol 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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