12 models
Ranked by Agentic Index
Reasoning Tools JSON 44.2

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
42 providers
Reasoning Tools JSON 37.3

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
46 providers
Reasoning Tools JSON 27.3

Fast Gemini model balancing multimodal reasoning, tool use, and cost

google/gemini-3.5-flash 2026-05-19 1.04858M context $1.5/M input $9/M output
31 providers
Tools 26.5

Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

openai/gpt-5 2025-08-07 400K context $1.25/M input $10/M output
30 providers
Reasoning Tools JSON 21.6

Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

openai/gpt-5.1 2025-11-13 400K context $1.25/M input $10/M output
28 providers
Reasoning Tools JSON 19.7

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
31 providers
Reasoning Tools JSON 17.7

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
27 providers
Reasoning 8.9

Small GPT-5 for responsive agents, coding help, and everyday automation

openai/gpt-5-mini 2025-08-07 400K context $0.25/M input $2/M output
29 providers
Reasoning Tools JSON 3.5

Google's proven reasoning model for coding, math, and multimodal analysis

google/gemini-2.5-pro 2025-06-17 1.04858M context $1.25/M input $10/M output
29 providers
1.8

Affordable GPT-4.1 lane for fast coding help and structured extraction

openai/gpt-4.1-mini 2025-04-14 1.04758M context $0.4/M input $1.6/M output
25 providers
1.2

Tiny GPT-4.1 option for classification, routing, and very high-volume tasks

openai/gpt-4.1-nano 2025-04-14 1.04758M context $0.1/M input $0.4/M output
20 providers
1.0

Small omni GPT for cheap multimodal assistance and production-scale traffic

openai/gpt-4o-mini 2024-07-18 128K context $0.15/M input $0.6/M output
23 providers