Model familyStep 3.5
2 variants of Step 3.5 tracked by BenchGecko. Top variant · Step 3.5 Flash (76.9). Cheapest input · $0.10/M. Compare every variant's pricing, context window, and benchmark scores below.
Variants
2
Avg score
76.9
Price range
$0.10 · $0.10
Max context
262K
Every Step 3.5 variant
Sorted by average benchmark score
Variant
Score
$/M in
$/M out
Context
Step 3.5 Flash2026-01
76.9
$0.10
$0.30
262K
Step 3.5 Flash (free)2026-01
—
$0.000
$0.000
256K
Frequently asked
Quick answers, sourced from our data
What is the Step 3.5 family?
Step 3.5 is a family of 2 AI model variants released by stepfun. The top-scoring variant is Step 3.5 Flash at 76.9.
How many Step 3.5 variants exist?
BenchGecko tracks 2 Step 3.5 variants. These differ in size, context window, pricing, and specialization (base vs instruct, coder, math, etc.).
Which Step 3.5 variant scores highest?
Step 3.5 Flash leads the family with an average benchmark score of 76.9 across 10 benchmarks.
What is the cheapest Step 3.5 variant?
The cheapest Step 3.5 variant costs $0.10 per 1M input tokens. The most expensive is $0.10 per 1M.
See also
Keep exploring the BenchGecko graph