Models

DeepSeek V4 Flash vs O1

Compare DeepSeek V4 Flash from DeepSeek and O1 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
DeepSeek logo
DeepSeek V4 Flash
DeepSeek · text → text

(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.

Input$0.142 /M
Output$0.284 /M
Cache read$0.0284 /M
OpenAI logo
O1
OpenAI · text → text

OpenAI's most powerful O-series model supports official cache hits that halve the input cost.

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
Input /M
$0.142
$15
Output /M
$0.284
$60
Cache read /M
$0.0284
$7.5
Context length
1,000,000
200
Max output
384,000
0
Time to First Token
1.0 s
59.9 s
Throughput
66.5 tok/s
103.5 tok/s
Modalities
text
text
Supported Parameters
toolsfunction callingstructured outputsthinking
thinking
API Formats
chat_completions · claude_api
Released
April 24, 2026
December 5, 2024

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

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

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
1360140014401480
Overall
14021436
Coding
14331483
Math
14091426
Hard prompts
14181459
Instruction following
14071428
Multi-turn
13861452
Creative writing
13811408
Longer query
14121448
Chinese
14301473
English
14121445

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
$12.78 /mo
O1
$1,800 /mo

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

FAQ

Which is cheaper: DeepSeek V4 Flash, O1?

DeepSeek V4 Flash: $0.284/M output tokens; O1: $60/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

DeepSeek V4 Flash: 1483; O1: 1433 (LMArena coding leaderboard).

Which responds faster?

DeepSeek V4 Flash: 1.0s 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 O1 accepts 200 input tokens.

Which one generates tokens faster?

O1 at 103.5 tok/s and DeepSeek V4 Flash at 66.5 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, structured outputs and thinking; O1 accepts text input and supports thinking.

Can I call DeepSeek V4 Flash and O1 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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