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.
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-5.6 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...
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...
Stronger Opus tier for advanced software work and high-stakes reasoning
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
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...
High-end Claude for difficult coding, planning, and slower expert reasoning
Kimi K2.6 is Moonshot AI's next-generation multimodal model, designed for long-horizon coding, coding-driven UI/UX generation, and multi-agent orchestration. It handles complex end-to-end coding tasks across Python, Rust, and Go, and...
DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...
Claude workhorse for coding agents, careful analysis, and production cost control
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
| Model | Creator | Score | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-5.6 Solopenai/gpt-5.6-sol | 80.0 | 1.05M | $2 | $10 | 2026-07-09 | |||
| OpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra | 77.4 | 1.05M | $2 | $12 | 2026-07-09 | |||
| OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna | 74.6 | 1.05M | $0.2 | $1.2 | 2026-07-09 | |||
| OpenAI: GPT-6 Astraopenai/gpt-6-astra | 67.0 | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Opus 4.7anthropic/claude-opus-4-7 | 61.2 | 1M | $5 | $25 | 2026-04-16 | |||
| OpenAI: GPT-5.5openai/gpt-5.5 | 60.4 | 1.05M | $5 | $30 | 2026-04-23 | |||
| OpenAI: GPT-5.4openai/gpt-5.4 | 53.6 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| Claude Opus 4.6anthropic/claude-opus-4-6 | 51.3 | 1M | $5 | $25 | 2026-02-05 | |||
| MoonshotAI: Kimi K2.6moonshotai/kimi-k2.6 | 50.5 | 262.144K | $0.95 | $4 | 2026-04-21 | |||
| DeepSeek: DeepSeek V4 Pro 0423deepseek/deepseek-v4-pro | 50.1 | 1.024M | $0.948 | $1.896 | 2026-04-24 | |||
| Claude Sonnet 4.6anthropic/claude-sonnet-4-6 | 49.4 | 1M | $3 | $15 | 2026-02-17 | |||
| Google: Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview | 43.0 | 1.04858M | $2 | $12 | 2026-02-19 |