3 models
Ranked by Artificial Analysis Coding Index
Reasoning Tools JSON Open weights 37.1

Newer StepFun flash model for faster agents, coding, and multimodal prompts

stepfun/step-3.7-flash 2026-05-29 256K context $0.202/M input $1.211/M output
21 providers
Reasoning Tools JSON 32.0

Google's proven reasoning model for coding, math, and multimodal analysis

google/gemini-2.5-pro 2025-06-17 1.04858M context $1.25/M input $10/M output
31 providers
Reasoning Tools JSON 22.2

Fast Gemini workhorse for multimodal apps where latency and price matter

google/gemini-2.5-flash 2025-06-17 1.04858M context $0.3/M input $2.5/M output
32 providers