Compare Qwen3 Embedding 4B from Qwen and Step 3.5 Flash from stepfun on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Qwen3 Embedding 4B and Step 3.5 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Qwen3 Embedding 4B, from Qwen, has a 32,768-token context window and is priced at $0.02/M tokens on OpenRouter.
Step 3.5 Flash, from stepfun, has a 262,144-token context window and is priced at $0.10/M tokens input, $0.30/M tokens output on OpenRouter.

