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 opencode Has benchmarks
OpenAI: GPT-6 Astra T
Reasoning Tools JSON

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
18 providers
OpenAI: GPT-5.6 Terra T
Reasoning Tools JSON

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
35 providers
OpenAI: GPT-5.6 Sol T
Reasoning Tools JSON

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
36 providers
OpenAI: GPT-5.6 Luna T
Reasoning Tools JSON

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
36 providers
OpenAI: GPT-5.5 T
Reasoning Tools JSON

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
OpenAI: GPT-5.5 Pro T
Reasoning Tools JSON

Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding

openai/gpt-5.5-pro 2026-04-23 1.05M context $30/M input $180/M output
18 providers
OpenAI: GPT-5.4 T
Reasoning Tools JSON

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
OpenAI: GPT-5.4 Pro T
Reasoning Tools

More exact GPT-5.4 tier for demanding professional reasoning and agent tasks

openai/gpt-5.4-pro 2026-03-05 1.05M context $30/M input $180/M output
19 providers
OpenAI: GPT-5.3 Codex T
Reasoning Tools JSON

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
28 providers
OpenAI: GPT-5.2 Codex T
Reasoning Tools JSON

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
OpenAI: GPT-5.2 T
Reasoning Tools

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
33 providers
OpenAI: GPT-5.1 Codex T
Reasoning

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-5.1 T
Reasoning Tools JSON

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
OpenAI: GPT-5 T
Tools

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
OpenAI: GPT-5 Nano T
Reasoning

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
26 providers