id: stepfun
npm: @ai-sdk/openai-compatible
env: STEPFUN_API_KEY
api: https://api.stepfun.com/v1
Models
Step 1 (32K)
step-1-32kin $2.05/M
out $9.59/M
cache read $0.41/M
ctx: 32,768
max out: 32,768
in: text
out: text
reasoning
tools
vision
structured
temp
open weights
Step 2 (16K)
step-2-16kin $5.21/M
out $16.44/M
cache read $1.04/M
ctx: 16,384
max out: 8,192
in: text
out: text
reasoning
tools
vision
structured
temp
open weights
Step 3.5 Flash
step-3.5-flashin $0.10/M
out $0.30/M
cache read $0.02/M
ctx: 256,000
max out: 256,000
in: text
out: text
reasoning
tools
vision
structured
temp
open weights
Step 3.5 Flash 2603
step-3.5-flash-2603in $0.10/M
out $0.30/M
cache read $0.02/M
ctx: 256,000
max out: 256,000
in: text
out: text
reasoning
tools
vision
structured
temp
open weights
Step 3.7 Flash
step-3.7-flashin $0.19/M
out $1.13/M
cache read $0.04/M
ctx: 256,000
max out: 256,000
in: text, image
out: text
reasoning
tools
vision
structured
temp
open weights