AI Model Catalog: 5 Models Compared — Pricing, Context & Benchmarks

OpenAI: GPT-6 Astra T

Reasoning Tools JSON 64.5

GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.

openai/gpt-6-astra 2026-09-04 1.05M context $10/M input $50/M output

35 providers

Anthropic: Claude Opus 5.5 T

Reasoning Tools 54.4

Claude model for long-running agentic coding and knowledge work

anthropic/claude-opus-5-5 2026-09-22 1M context $4/M input $20/M output

35 providers

Anthropic: Claude Sonnet 5 T

Reasoning Tools 38.8

Everyday Claude agent model for coding, planning, browsing, and general work

anthropic/claude-sonnet-5 2026-06-30 1M context $2/M input $10/M output

43 providers

Anthropic: Claude Fable 5 T

Reasoning Tools 29.3

Claude model for creative writing, analysis, and controlled agent workflows

anthropic/claude-fable-5 2026-06-09 1M context $10/M input $50/M output

45 providers

Anthropic: Claude Opus 4.8 T

Reasoning Tools 13.4

Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-8 2026-05-28 1M context $5/M input $25/M output

48 providers

Filterable model directory
Model	Creator	Score	Inputs	Context	Input	Output	Released
GPT-6 Astraopenai/gpt-6-astra	OpenAI	64.5	T	1.05M	$10	$50	2026-09-04
Claude Opus 5.5anthropic/claude-opus-5-5	Anthropic	54.4	T	1M	$4	$20	2026-09-22
Claude Sonnet 5anthropic/claude-sonnet-5	Anthropic	38.8	T	1M	$2	$10	2026-06-30
Claude Fable 5anthropic/claude-fable-5	Anthropic	29.3	T	1M	$10	$50	2026-06-09
Claude Opus 4.8anthropic/claude-opus-4-8	Anthropic	13.4	T	1M	$5	$25	2026-05-28