How many providers offer Claude Opus 4 and GPT-5?

Claude Opus 4 is available from 4 providers and GPT-5 is available from 4 providers. 1 providers offer both models, making it easy to switch between them.

What is the context window for Claude Opus 4 vs GPT-5?

Claude Opus 4 has a 200K context window and GPT-5 has a 272K 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 GPT-5 — API Pricing Comparison 2026

Compare Claude Opus 4 and GPT-5 API pricing. The two most capable frontier models from Anthropic and OpenAI — compare costs and capabilities.

$30.00

Claude Opus 4 cheapest

$3.44

GPT-5 cheapest

200K

Claude Opus 4 context

272K

GPT-5 context

Which is cheaper, Claude Opus 4 or GPT-5?

GPT-5 is cheaper at $3.44/1M tokens via OpenAI, compared to Claude Opus 4 at $30.00/1M via Anthropic. 1 providers offer both models.

Model Specifications

Spec	Claude Opus 4	GPT-5
Type	chat	chat
Parameters	—	—
Context Window	200K	272K
Arena ELO	1320	1380
Quality Tier	Frontier	Frontier
Open Weight	No	No
Cheapest Price	$30.00/1M	$3.44/1M
Cheapest Provider	Anthropic	OpenAI
Providers	4	4

Price Comparison by Provider

7 providers

Provider	Claude Opus 4 Input/1M	Claude Opus 4 Output/1M	GPT-5 Input/1M	GPT-5 Output/1M
Anthropic	$15.00	$75.00	—	—
AWS Bedrock	$15.00	$75.00	—	—
Azure OpenAI	—	—	$1.25	$10.00
Google Vertex AI	$15.00	$75.00	—	—
OpenAI	—	—	$1.25	$10.00
OpenRouter	$18.00	$90.00	$1.50	$12.00
Replicate	—	—	$1.25	$10.00

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

Claude Opus 4 pricing details GPT-5 pricing details Custom comparison

More Model Comparisons

Claude Sonnet 4 vs GPT-5 Claude Opus 4 vs Gemini 3 Pro Gemini 3 Pro vs GPT-5 Claude Opus 4 vs Claude Sonnet 4 GPT-4o vs GPT-5 Claude Opus 4 vs DeepSeek R1 DeepSeek R1 vs GPT-5 GPT-4o Mini vs GPT-5 Claude Sonnet 4 vs GPT-4o Claude Sonnet 4 vs Gemini 3 Pro DeepSeek R1 vs GPT-4o Claude Sonnet 4 vs DeepSeek R1

Frequently Asked Questions

GPT-5 is cheaper at $3.44/1M tokens (via OpenAI) 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.