13 models
Ranked by Intelligence Index
Reasoning Tools JSON 52.7

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
Reasoning Tools JSON 51.8

Near-Astra performance for complex coding, computer use, and professional work at a lower cost.

openai/gpt-6.1-sol 2026-09-29 1.05M context $2/M input $10/M output
32 providers
Reasoning Tools 50.8

Strongest Claude Opus model for coding, agents, and professional work

anthropic/claude-opus-5 2026-07-24 1M context $5/M input $25/M output
41 providers
Reasoning Tools 49.6

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
Reasoning Tools JSON 47.6

OpenAI model for complex coding and agentic workflows

openai/gpt-6-sol 2026-09-22 1.05M context $2/M input $10/M output
33 providers
Reasoning Tools JSON 47.0

Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

openai/gpt-5.6-sol 2026-07-09 1.05M context $4/M input $20/M output
45 providers
Reasoning Tools JSON 42.1

Balanced GPT-5.6 model for capable, cost-efficient everyday work

openai/gpt-5.6-terra 2026-07-09 1.05M context $2/M input $12/M output
42 providers
Reasoning Tools 39.0

Agent-ready GPT for coding and computer-use workflows at a lower cost

openai/gpt-5.4 2026-03-05 1.05M context $2.5/M input $15/M output
46 providers
Reasoning Tools JSON 38.4

Default frontier GPT for coding, computer use, research, and knowledge work

openai/gpt-5.5 2026-04-23 1.05M context $5/M input $30/M output
50 providers
Reasoning Tools 38.2

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
Reasoning Tools JSON 38.1

OpenAI's most efficient model for focused, high-volume tasks

openai/gpt-6-luna 2026-09-22 1.05M context $0.1/M input $0.5/M output
35 providers
Reasoning Tools JSON 37.3

Cost-efficient GPT-5.6 model for fast, high-volume workloads

openai/gpt-5.6-luna 2026-07-09 1.05M context $0.2/M input $1.2/M output
45 providers
Reasoning Tools 13.4

Multimodal reasoning model for visual analysis, planning, and tool use

amazon/nova-2-lite-v1 2025-12-02 1M context $0.3/M input $2.5/M output
6 providers