Step 3.5 Flash
huggingface / stepfun-ai/Step-3.5-Flash
Input price
$0.1
per 1M tokens
Output price
$0.3
per 1M tokens
Context
262K
tokens
Capabilities
✓ Reasoning✓ Tool calls— Image input✓ Open weights
| Context | 262,144 tokens |
| max output | 256,000 tokens |
| Released | 2026-01-29 |
| Data updated | 2026-02-13 |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.