AI Model Catalog: 4 Models Compared — Pricing, Context & Benchmarks

Sakana: Fugu Ultra T

Reasoning Tools JSON 58.7

Quality-first multi-agent model for hard research, analysis, and competitions

sakana/fugu-ultra 2026-06-15 1M context $5/M input $30/M output

11 providers

StepFun: Step 3.7 Flash T

Reasoning Tools JSON Open weights 40.0

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

stepfun/step-3.7-flash 2026-05-29 256K context $0.185/M input $1.11/M output

17 providers

Mistral AI: Mistral Small 4 T

Reasoning Tools Open weights 38.0

Fast Mistral production model for chat, extraction, and cost-sensitive agents

mistral/mistral-small-2603 2026-03-16 256K context $0.15/M input $0.6/M output

12 providers

Mistral AI: Mistral Medium 3 T

33.1

Mistral model for multilingual chat, reasoning, and tool-assisted workflows

mistral/mistral-medium-2505 2025-05-07 131.072K context $0.4/M input $2/M output

10 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
Fugu Ultrasakana/fugu-ultra	Sakana	58.7	T	1M	$5	$30	2026-06-15
Step 3.7 Flashstepfun/step-3.7-flash	StepFun	40.0	T	256K	$0.185	$1.11	2026-05-29
Mistral Small 4mistral/mistral-small-2603	Mistral AI	38.0	T	256K	$0.15	$0.6	2026-03-16
Mistral Medium 3mistral/mistral-medium-2505	Mistral AI	33.1	T	131.072K	$0.4	$2	2025-05-07