How many providers offer Claude Opus 4 and Claude Sonnet 4?

Claude Opus 4 is available from 4 providers and Claude Sonnet 4 is available from 4 providers. 4 providers offer both models, making it easy to switch between them.

What is the context window for Claude Opus 4 vs Claude Sonnet 4?

Claude Opus 4 has a 200K context window and Claude Sonnet 4 has a 1M context window.

How is blended price calculated?

Blended price uses the formula (3 x input + 1 x output) / 4 per million tokens, reflecting typical usage where input tokens outnumber output tokens roughly 3:1.

Claude Opus 4 vs Claude Sonnet 4 — API Pricing Comparison 2026

Compare Claude Sonnet 4 and Claude Opus 4 API pricing. Anthropic mid-tier vs flagship — see the cost-performance tradeoff.

$30.00

Claude Opus 4 cheapest

$6.00

Claude Sonnet 4 cheapest

200K

Claude Opus 4 context

Claude Sonnet 4 context

Which is cheaper, Claude Opus 4 or Claude Sonnet 4?

Claude Sonnet 4 is cheaper at $6.00/1M tokens via Anthropic, compared to Claude Opus 4 at $30.00/1M via Anthropic. 4 providers offer both models.

Model Specifications

Spec	Claude Opus 4	Claude Sonnet 4
Type	chat	chat
Parameters	—	—
Context Window	200K	1M
Arena ELO	1320	1300
Quality Tier	Frontier	Frontier
Open Weight	No	No
Cheapest Price	$30.00/1M	$6.00/1M
Cheapest Provider	Anthropic	Anthropic
Providers	4	4

Price Comparison by Provider

4 providers

Provider	Claude Opus 4 Input/1M	Claude Opus 4 Output/1M	Claude Sonnet 4 Input/1M	Claude Sonnet 4 Output/1M
Anthropic	$15.00	$75.00	$3.00	$15.00
AWS Bedrock	$15.00	$75.00	$3.00	$15.00
Google Vertex AI	$15.00	$75.00	$3.00	$15.00
OpenRouter	$18.00	$90.00	$3.60	$18.00

Prices in USD per 1M tokens. Green highlights the cheaper model at each provider. Updated every 6 hours.

Claude Opus 4 pricing details Claude Sonnet 4 pricing details Custom comparison

More Model Comparisons

Claude Sonnet 4 vs GPT-4o Claude Sonnet 4 vs GPT-5 Claude Sonnet 4 vs Gemini 3 Pro Claude Opus 4 vs GPT-5 Claude Opus 4 vs Gemini 3 Pro Claude Sonnet 4 vs DeepSeek R1 Claude Sonnet 4 vs Mistral Large Claude Sonnet 4 vs Claude Sonnet 4.6 Gemini 3 Pro vs GPT-5 DeepSeek R1 vs GPT-4o DeepSeek R1 vs Gemini 3 Pro Claude Haiku vs GPT-4o Mini

Frequently Asked Questions

Claude Sonnet 4 is cheaper at $6.00/1M tokens (via Anthropic) compared to Claude Opus 4 at $30.00/1M tokens (via Anthropic). Prices vary by provider — Sector HQ tracks them all.

Prices in USD per 1M tokens. Updated every 6 hours.