Jamba Large 1.7 vs GPT-5 Codex: side-by-side summary

Jamba Large 1.7 and GPT-5 Codex are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Jamba Large 1.7, from AI21, has a 256,000-token context window and is priced by the provider serving it 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

• Jamba Large 1.7: 256,000 tokens
• GPT-5 Codex: 400,000 tokens

Price

• Jamba Large 1.7: Pricing varies by provider
• GPT-5 Codex: Pricing varies by provider

Provided by

• Jamba Large 1.7: AI21
• GPT-5 Codex: OpenAI

• Jamba Large 1.7 model details, providers and pricing
• GPT-5 Codex model details, providers and pricing