3 models
Ranked by OmniDocBench
Reasoning Tools JSON Open weights 87.2

Open MiMo model for multimodal coding agents and long-context automation

xiaomi/mimo-v2.5 2026-04-22 1.04858M context $0.14/M input $0.28/M output
27 providers
Reasoning Tools JSON 0.2

Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation

openai/gpt-5.4-nano 2026-03-17 400K context $0.2/M input $1.25/M output
30 providers
Reasoning Tools JSON 0.1

Strong small GPT for coding subagents, quick tool use, and high-volume work

openai/gpt-5.4-mini 2026-03-17 400K context $0.75/M input $4.5/M output
35 providers