Claude Sonnet 4.6 vs DeepSeek V4 Pro API Price Comparison

Prices updated: 2026-09-18·54 quotes

As of 2026-09-18: At official rates, Claude Sonnet 4.6 is $3.0000/1M input tokens and DeepSeek V4 Pro is $0.6600 — DeepSeek V4 Pro is ~78% cheaper than Claude Sonnet 4.6. Via relay providers, the lowest Claude Sonnet 4.6 rate is $0.0497 (Yuanqiao Cloud API) and DeepSeek V4 Pro is $0.0180 (TreeRouter). Context windows: Claude Sonnet 4.6 1024K, DeepSeek V4 Pro 1049K. Claude Sonnet 4.6 supports image input. 54 provider quotes tracked (Claude Sonnet 4.6: 33, DeepSeek V4 Pro: 21), updated daily.

Claude Sonnet 4.6Mid-tier

Official

$3.0000

/ 1M tokens

Best Price

$0.0497

/ 1M tokens

33 providers · 1024K Context · 👁 Vision

DeepSeek V4 ProMid-tier

Official

$0.6600

/ 1M tokens

Best Price

$0.0180

/ 1M tokens

21 providers · 1049K Context

At official prices, DeepSeek V4 Pro is ~78% cheaper. At the best relay price, DeepSeek V4 Pro is ~64% cheaper.

Price Comparison

	Claude Sonnet 4.6	DeepSeek V4 Pro
Official input / 1M tokens	$3.0000	$0.6600 ✓
Official output / 1M tokens	$15.0000	$1.9800 ✓
Cheapest input / 1M tokens	$0.0497	$0.0180 ✓
Cheapest output / 1M tokens	$0.2483	$0.0360 ✓
providers	33	21
Context	1024K	1049K
Vision	✓	—

Claude Sonnet 4.6 — All Providers

Detail page →

ProviderInput / 1MOutput / 1MvsAPI

Official

AnthropicOfficial🌐VisaMC👁Live

$3.0000

$15.0000

Base

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Relay / Aggregator

Yuanqiao Cloud APIRelayLive API priceLowest🇨🇳支付宝⚠️ Unusually lowLive

$0.0497

$0.2483

-98%

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Qingfengge APIRelayLive API price🇨🇳支付宝微信对公⚠️ Unusually lowLive

$0.0828

$0.4138

-97%

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dddAIRelayLive API price🇨🇳支付宝微信⚠️ Unusually lowLive

$0.0952

$0.4759

-97%

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YouPai APIRelayLive API price🇨🇳支付宝微信⚠️ Unusually lowLive

$0.1034

$0.5172

-97%

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TreeRouterRelayLive API price🇨🇳支付宝微信⚠️ Unusually lowLive

$0.1241

$0.6207

-96%

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247Kan APIRelayLive API price🇨🇳支付宝⚠️ Unusually lowLive

$0.1500

$0.7500

-95%

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DeepSeek V4 Pro — All Providers

Detail page →

ProviderInput / 1MOutput / 1MvsAPI

Official

DeepSeekOfficial🇨🇳VisaMC支付宝微信Live

$0.6600

$1.9800

Base

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Relay / Aggregator

TreeRouterRelayLive API priceLowest🇨🇳支付宝微信⚠️ Unusually lowLive

$0.0180

$0.0360

-97%

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dddAIRelayLive API price🇨🇳支付宝微信Live

$0.1428

$0.4283

-78%

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RunAPIRelayLive API price🇨🇳支付宝微信Live

$0.1471

$0.4414

-78%

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EasyRouterRelayLive API price🇨🇳支付宝微信Live

$0.1821

$0.5462

-72%

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LaoZhang APIRelayLive API price🇨🇳支付宝微信Live

$0.2400

$0.4800

-64%

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IKunCodeRelayLive API price🇨🇳支付宝微信Live

$0.4138

$0.8276

-37%

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Frequently Asked Questions

Which is cheaper, Claude Sonnet 4.6 or DeepSeek V4 Pro?

At official price, DeepSeek V4 Pro is cheaper by ~78%. At the best relay price, DeepSeek V4 Pro with a ~64% difference.

What context window do Claude Sonnet 4.6 and DeepSeek V4 Pro support?

Claude Sonnet 4.6 has a 1024K token context window; DeepSeek V4 Pro has 1049K tokens.

Do Claude Sonnet 4.6 and DeepSeek V4 Pro support image input?

Claude Sonnet 4.6 supports image input; DeepSeek V4 Pro does not support image input.

What is the cheapest way to access Claude Sonnet 4.6 or DeepSeek V4 Pro?

Claude Sonnet 4.6's lowest input price is $0.0497/1M tokens (Yuanqiao Cloud API). DeepSeek V4 Pro's is $0.0180/1M tokens (TreeRouter). Relay providers typically offer lower prices with different SLA terms.

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