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DeepSeek V4.1 Flash
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Open weights model

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Released 2026年9月

DeepSeek V4.1 Flash (Non-Reasoning) API 服务商基准测试与分析

模型比较

本分析旨在帮助你根据使用场景,选择 DeepSeek V4.1 Flash (Non-Reasoning) 的最佳 API 服务商。

速度最快

#1
LithosAI (ULTRA CHAT)LithosAI (ULTRA CHAT)
601.1 t/s
#2
LithosAI (FAST)LithosAI (FAST)
565.2 t/s
#3
LithosAI (ULTRA)LithosAI (ULTRA)
535.0 t/s
#4
DeepSeekDeepSeek
296.1 t/s

输出速度

共 4 家服务商

延迟最低

#1
LithosAI (ULTRA CHAT)LithosAI (ULTRA CHAT)
0.84 s
#2
LithosAI (FAST)LithosAI (FAST)
0.92 s
#3
LithosAI (ULTRA)LithosAI (ULTRA)
0.93 s
#4
DeepSeekDeepSeek
1.16 s

首 Token 延迟

共 4 家服务商

价格最低

#1
LithosAI (FAST)LithosAI (FAST)
$0.15
#2
DeepSeekDeepSeek
$0.18
#3
LithosAI (ULTRA)LithosAI (ULTRA)
$0.21
#4
LithosAI (ULTRA CHAT)LithosAI (ULTRA CHAT)
$0.21

每 100 万 token 的混合价格

共 4 家服务商

可通过 4 家 API 服务商使用 DeepSeek V4.1 Flash (Non-reasoning),每家服务商的性能特征和价格各不相同。下方对比了各服务商的关键指标。

  • 输出速度最快的服务商是 LithosAI (ULTRA CHAT)(601.1 t/s)、LithosAI (FAST)(565.2 t/s)和LithosAI (ULTRA)(535.0 t/s)。 各服务商之间的速度差异显著,最快与最慢相差 103%。
  • 延迟方面,LithosAI (ULTRA CHAT)(0.84 秒)、LithosAI (FAST)(0.92 秒)和LithosAI (ULTRA)(0.93 秒) 的首 Token 延迟最低。
  • 价格方面,LithosAI (FAST)(0.15)、DeepSeek(0.18)和LithosAI (ULTRA)(0.21) 每 100 万 token 的混合价格最低。
  • LithosAI (ULTRA CHAT) 兼具最高速度和最低延迟,性能表现最佳。若要优化成本,LithosAI (FAST) 的价格最具竞争力。

亮点

Output tokens per second · Higher is better
Seconds to first answer token received · Lower is better
USD per 1M tokens (blended) · Lower is better

更新:默认性能基准测试工作负载已调整为 1 万个输入 token,以更贴近生产使用场景。你仍可在上方选择其他工作负载。

价格

Pricing: Cache Hit, Input, and Output

Price (USD per M Tokens) · Lower is better · 10,000 input tokens

Pricing: Blended Price

Blended at 7:2:1 (cache-input-output) · USD per 1M tokens (blended) · Lower is better

Pricing: Cache Discount

1 - (cache hit price / input price) · Higher is better

Output Speed vs. Price

Blended at 7:2:1 (cache-input-output) · Output speed: output tokens per second · USD per 1M tokens (blended)
Most attractive quadrant
Pareto line

速度

按输出速度(每秒 token 数)衡量

Output Speed: DeepSeek V4.1 Flash (Non-Reasoning)

Output speed: output tokens per second · 10,000 input tokens

Latency vs. Output Speed

Latency: seconds to first token received · Output speed: output tokens per second · 10,000 input tokens
Most attractive quadrant

延迟

按首 Token 延迟(秒)衡量

首 Token 延迟

Seconds to first token received · Lower is better · 10,000 input tokens

端到端响应时间

Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed

端到端响应时间

Seconds to output 500 tokens, including reasoning model 'thinking' time · Lower is better · 10,000 input tokens

关键比较指标与 API 功能

DeepSeek 标志DeepSeek
1M
开放
$0.15
296
1.16
2.85
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LithosAI 标志LithosAI
1.05M
开放
$0.16
565
0.92
1.80
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LithosAI 标志LithosAI
1.05M
开放
$0.22
535
0.93
1.87
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LithosAI 标志LithosAI
1.05M
开放
$0.22
601
0.84
1.68
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常见问题

关于 DeepSeek V4.1 Flash (Non-Reasoning) 服务商的常见问题