27 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 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 JSON 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 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 JSON 32.5

Coding-optimized GPT model for repository edits, reviews, and agentic software work

openai/gpt-5.3-codex 2026-02-05 400K context $1.75/M input $14/M output
33 providers
Reasoning Tools JSON 30.4

Reliable GPT generation for broad coding, writing, and tool-assisted product work

openai/gpt-5.2 2025-12-11 400K context $1.75/M input $14/M output
36 providers
Reasoning Tools JSON 28.5

Code-specialist GPT for repository edits, reviews, and long-running software agents

openai/gpt-5.2-codex 2025-12-11 400K context $0.14/M input $1.14/M output
23 providers
Reasoning Tools JSON 24.7

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
30 providers
Reasoning Tools JSON 23.7

Codex GPT for repository edits, code review, and practical software agents

openai/gpt-5.1-codex 2025-11-13 400K context $1.07/M input $8.5/M output
19 providers
Reasoning Tools JSON 23.0

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
34 providers
Reasoning Tools JSON 20.6

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
32 providers
Reasoning Tools 20.2

Deliberate o-series reasoner for hard math, coding, and multi-step analysis

openai/o3 2025-04-16 200K context $2/M input $8/M output
23 providers
Reasoning Tools 16.7

Fast o-series model for compact reasoning, coding, and tool use

openai/o4-mini 2025-04-16 200K context $1.1/M input $4.4/M output
22 providers
Reasoning Tools 15.2

O-series reasoning model for hard analysis, math, coding, and planning

openai/o1 2024-12-05 200K context $15/M input $60/M output
17 providers
Tools JSON 13.0

Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs

openai/gpt-5-nano 2025-08-07 400K context $0.05/M input $0.4/M output
29 providers
Tools JSON 12.7

Long-lived GPT workhorse for coding, instruction following, and production apps

openai/gpt-4.1 2025-04-14 1.04758M context $2/M input $8/M output
31 providers
Reasoning Tools 12.5

Smaller o-series reasoner for economical coding, math, and planning tasks

openai/o3-mini 2024-12-20 200K context $1.1/M input $4.4/M output
21 providers
Tools JSON 10.2

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
28 providers
Tools 7.8

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
22 providers
Tools 7.0

Compact GPT model for low-latency assistance and high-volume workloads

openai/gpt-4-turbo 2023-11-06 128K context $10/M input $30/M output
16 providers
Tools 6.7

GPT model for general reasoning, writing, coding, and tool-assisted tasks

openai/gpt-4 2023-11-06 8.192K context $30/M input $60/M output
12 providers
Tools JSON 6.7

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
26 providers