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

Meta: Muse Spark Open T

Reasoning Tools JSON Open weights 58.5

Muse Spark Open is an 816B total / 42B active open-weight multimodal reasoning model from Meta for coding and long-horizon agentic work, with 1M-token context.

meta/muse-spark-open 2026-10-15 1.04858M context $1.25/M input $4.25/M output

14 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 $0.202/M input $1.211/M output

21 providers

Mistral AI: Mistral Small 4 T

Reasoning Tools JSON 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

17 providers

NVIDIA: Nemotron 3.5 Lightning 30B A3B T

Reasoning Tools JSON Open weights 32.6

Fast NVIDIA Nemotron MoE for reliable agentic tasks across enterprise workloads

nvidia/nemotron-3.5-lightning 2026-08-11 262.144K context $0.025/M input $0.12/M output

13 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
Muse Spark Openmeta/muse-spark-open	Meta	58.5	T	1.04858M	$1.25	$4.25	2026-10-15
Step 3.7 Flashstepfun/step-3.7-flash	StepFun	40.0	T	256K	$0.202	$1.211	2026-05-29
Mistral Small 4mistral/mistral-small-2603	Mistral AI	38.0	T	256K	$0.15	$0.6	2026-03-16
Nemotron 3.5 Lightning 30B A3Bnvidia/nemotron-3.5-lightning	NVIDIA	32.6	T	262.144K	$0.025	$0.12	2026-08-11