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OpenAI: o3 vs StepFun: Step 3.7 Flash

StepFun: Step 3.7 Flash wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.

MetricOpenAI: o3StepFun: Step 3.7 Flash
Intelligence Index30.430.3
Coding Index39.6
GPQA Diamond83%81%
Design Arena Elo1212
Speed (tokens/sec)
Latency
Input price /M$2.00$0.200
Output price /M$8.00$1.15
Context window200K262K
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVision

Frequently asked

Is OpenAI: o3 better than StepFun: Step 3.7 Flash?

StepFun: Step 3.7 Flash wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.

What are the biggest differences between OpenAI: o3 and StepFun: Step 3.7 Flash?

The table on this page compares OpenAI: o3 and StepFun: Step 3.7 Flash metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.