ModelBench
Model catalog

Models

Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.

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15 models
OpenAI Reasoning
Ranked by Design Arena: website
OpenAI: GPT-6.1 Sol T
Reasoning Tools JSON 1320.0

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
OpenAI: GPT-5.5 T
Reasoning Tools JSON 1255.0

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
OpenAI: GPT-5.4 T
Reasoning Tools JSON 1218.0

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
OpenAI: GPT-5.2 T
Reasoning Tools JSON 1193.0

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
OpenAI: GPT-5.1 T
Reasoning Tools JSON 1185.0

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
OpenAI: GPT-5 T
Reasoning Tools JSON 1184.0

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
OpenAI: GPT-5.3 Codex T
Reasoning Tools JSON 1161.0

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
OpenAI: GPT-5.1 Codex T
Reasoning Tools JSON 1160.0

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
OpenAI: GPT-5 Mini T
Reasoning Tools JSON 1125.0

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
OpenAI: GPT-5.1 Codex mini T
Reasoning 1109.0

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

openai/gpt-5.1-codex-mini 2025-11-13 400K context $0.22/M input $1.8/M output
15 providers
OpenAI: GPT-5 Nano T
Reasoning Tools JSON 1101.0

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
OpenAI: o3 T
Reasoning Tools JSON 1036.0

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
OpenAI: o4-mini T
Reasoning Tools JSON 985.0

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
OpenAI: GPT OSS 120B T
Reasoning Tools JSON Open weights 966.0

Open GPT reasoning model for self-hosted agents and controllable deployments

openai/gpt-oss-120b 2025-08-05 131.072K context $0.03/M input $0.15/M output
62 providers
OpenAI: GPT OSS 20B T
Reasoning Tools JSON Open weights 852.0

Open GPT reasoning model for self-hosted agents and controllable deployments

openai/gpt-oss-20b 2025-08-05 131.072K context $0.018/M input $0.09/M output
39 providers