GPT-4.1 is 3.0× cheaper per million tokens (blended). GPT-4.1 has the larger context window (1,047,576 vs 1,000,000 tokens).

Claude Opus 5 vs GPT-4.1

Live catalog fields. Best-in-row is highlighted.

Claude Opus 5

Anthropic · anthropic__claude-opus-5

GPT-4.1

OpenAI · openai__gpt-4.1

Identity

Fieldanthropic__claude-opus-5openai__gpt-4.1
ProviderAnthropicOpenAI
Sluganthropic__claude-opus-5openai__gpt-4.1
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-opus-5openai__gpt-4.1
Quality index (0–100)93.4

Cost

Fieldanthropic__claude-opus-5openai__gpt-4.1
Input $ / 1M tokens$5.00$2.00
Cached input $ / 1M$0.50$0.50
Output $ / 1M tokens$25.00$8.00

Context

Fieldanthropic__claude-opus-5openai__gpt-4.1
Max context tokens1,000,0001,047,576
Max output tokens128,00032,768

Modalities

Fieldanthropic__claude-opus-5openai__gpt-4.1
Inputtext, image, fileimage, text, file
Outputtexttext