GPT-3.5 Turbo Instruct is 8.6× cheaper per million tokens (blended). Claude Opus 5 has the larger context window (1,000,000 vs 4,095 tokens, 244.2×).

Claude Opus 5 vs GPT-3.5 Turbo Instruct

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

Claude Opus 5

Anthropic · anthropic__claude-opus-5

GPT-3.5 Turbo Instruct

OpenAI · openai__gpt-3.5-turbo-instruct

Identity

Fieldanthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
ProviderAnthropicOpenAI
Sluganthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
Quality index (0–100)93.4

Cost

Fieldanthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
Input $ / 1M tokens$5.00$1.50
Cached input $ / 1M$0.50
Output $ / 1M tokens$25.00$2.00

Context

Fieldanthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
Max context tokens1,000,0004,095
Max output tokens128,0003,685

Modalities

Fieldanthropic__claude-opus-5openai__gpt-3.5-turbo-instruct
Inputtext, image, filetext
Outputtexttext