Is StepFun 3.5 Flash or GPT-3.5 Turbo Instruct cheaper?

StepFun 3.5 Flash is cheaper on output tokens ($0.30 vs $2.00 per 1M).

Which has the larger context window, StepFun 3.5 Flash or GPT-3.5 Turbo Instruct?

StepFun 3.5 Flash has the larger context window (262K tokens).

StepFun 3.5 Flash vs GPT-3.5 Turbo Instruct

StepFun 3.5 Flash is cheaper on output tokens, while StepFun 3.5 Flash offers a larger context window. Choose StepFun 3.5 Flash or GPT-3.5 Turbo Instruct based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	StepFun 3.5 Flash	GPT-3.5 Turbo Instruct
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.09	$1.50
Output / 1M tokens	$0.30	$2.00
Context window	262K	8K
Parameters	—	20B
Open weights	No	No
Released	Jan 2026	Sep 2023

StepFun 3.5 Flash details →GPT-3.5 Turbo Instruct details →

FAQ

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