bge-base-en-v1.5 vs GPT-5 Codex: side-by-side summary

bge-base-en-v1.5 and GPT-5 Codex are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

bge-base-en-v1.5, from baai, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.

GPT-5 Codex, from OpenAI, has a 400,000-token context window and is priced by the provider serving it on OpenRouter.

Context window

• bge-base-en-v1.5: 512 tokens
• GPT-5 Codex: 400,000 tokens

Price

• bge-base-en-v1.5: $0.005/M tokens
• GPT-5 Codex: Pricing varies by provider

Provided by

• bge-base-en-v1.5: baai
• GPT-5 Codex: OpenAI

• bge-base-en-v1.5 model details, providers and pricing
• GPT-5 Codex model details, providers and pricing