Is Step 3.5 Flash 2603 or Doubao 1.5 Vision Pro 32k cheaper?

Step 3.5 Flash 2603 is cheaper on output tokens ($0.30 vs $1.38 per 1M).

Which has the larger context window, Step 3.5 Flash 2603 or Doubao 1.5 Vision Pro 32k?

Step 3.5 Flash 2603 has the larger context window (256K tokens).

Step 3.5 Flash 2603 vs Doubao 1.5 Vision Pro 32k

Step 3.5 Flash 2603 is cheaper on output tokens, while Step 3.5 Flash 2603 offers a larger context window. Choose Step 3.5 Flash 2603 or Doubao 1.5 Vision Pro 32k based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Step 3.5 Flash 2603	Doubao 1.5 Vision Pro 32k
Provider	StepFun AI	NanoGPT
Input / 1M tokens	$0.10	$0.46
Output / 1M tokens	$0.30	$1.38
Context window	256K	32K
Parameters	—	—
Open weights	Yes	No
Released	Apr 2026	Jan 2025

Step 3.5 Flash 2603 details →Doubao 1.5 Vision Pro 32k details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.