GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Stronger Opus tier for advanced software work and high-stakes reasoning
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Open flagship GLM for long-horizon coding agents and million-token context work
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5.6 Solopenai/gpt-5.6-sol | 94.6 | 1.05M | $2 | $10 | 2026-07-09 | |||
| Claude Opus 4.7anthropic/claude-opus-4-7 | 94.2 | 1M | $5 | $25 | 2026-04-16 | |||
| OpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra | 92.9 | 1.05M | $2 | $12 | 2026-07-09 | |||
| OpenAI: GPT-5.4openai/gpt-5.4 | 92.8 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna | 92.3 | 1.05M | $0.2 | $1.2 | 2026-07-09 | |||
| GLM-5.2zhipuai/glm-5.2 | 91.2 | 1M | $1.4 | $4.4 | 2026-06-13 |