Models

DeepSeek V4 Flash vs O1 Preview

Compare DeepSeek V4 Flash from DeepSeek and O1 Preview 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.

DeepSeekDeepSeek V4 FlashOpenAIO1 Preview
DeepSeek logo
DeepSeek V4 Flash
DeepSeek · text → text

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.

Input$0.464 /M
Output$0.928 /M
Cache read$0.0039 /M
OpenAI logo
O1 Preview
OpenAI · text, image → text

The latest and most powerful inference model from OpenAI; AiHubMix uses both OpenAI and Microsoft Azure OpenAI channels simultaneously to achieve high-concurrency load balancing.

Input$15 /M
Output$60 /M
Cache read$7.5 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

DeepSeek V4 Flash
O1 Preview
Input /M
$0.464
$15
Output /M
$0.928
$60
Cache read /M
$0.0039
$7.5
Context length
1,000,000
0
Max output
0
0
Time to First Token
0.7 s
-
Throughput
59.0 tok/s
-
Modalities
text
textimage
Supported Parameters
toolsfunction callingstructured outputs
thinking
API Formats
Released
-
-

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.

deepseek-v4-flasho1-preview

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

deepseek-v4-flasho1-preview

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
deepseek-v4-flasho1-preview
1300136014201480
Overall
13531431
Coding
13671452
Math
13731428
Instruction following
13421420
Longer query
13441435
Chinese
13251467
English
13831439

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.

DeepSeek V4 Flash
$41.76 /mo
O1 Preview
$1,800 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: DeepSeek V4 Flash, O1 Preview?

DeepSeek V4 Flash: $0.928/M output tokens; O1 Preview: $60/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

DeepSeek V4 Flash: 1452; O1 Preview: 1367 (LMArena coding leaderboard).

What inputs and capabilities does each model support?

DeepSeek V4 Flash accepts text input and supports tool calling, function calling and structured outputs; O1 Preview accepts text and image input and supports thinking.

Can I call DeepSeek V4 Flash and O1 Preview 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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