StepFunStep 3.5 Flash 2603
- Released
- Apr 2, 2026
- Tracked since
- 2026-07-23
Intelligence index17Ranks 240 of 664 models with this metric
Coding index—Not tested
Agentic index—Not tested
Capability profile
5 axes vs. site averageStep 3.5 Flash 2603
Site average
Some dimensions have no data yet — marked on the chart
Pricing
per 1M tokens- Input
- $0.100
- Output
- $0.300
- Cache read
- $0.020
Performance
- Output throughput
- 145 tokens/sec
- Time to first token
- 3.24s
- First answer token
- 17.07s
- End-to-end response
- 20.53s
History
2Intelligence index
26→17
Output
Unchanged across 62 days of records
Output throughput
297→145
Cheaper at this level
Models with a comparable intelligence index and a lower output price- DeepSeek V4 Flash 0420 (Non-reasoning)
DeepSeekIntelligence 18.9$0.200−33% - Hy3-preview (Reasoning)
TencentIntelligence 22.7$0.210−30% - Hy3-preview (Non-reasoning)TencentIntelligence 17$0.210−30%
- Ling 3.0 Flash
InclusionAIIntelligence 24.9$0.220−27% - Ling-3.0-flash-VLInclusionAIIntelligence 24.6$0.220−27%