Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
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...
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-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 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...
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-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...
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-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| OpenAI: GPT-6 Astraopenai/gpt-6-astra | OpenAI |
1.05M | $10 | $50 | 2026-09-04 | ||
| OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna | OpenAI |
1.05M | $0.2 | $1.2 | 2026-07-09 | ||
| OpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra | OpenAI |
1.05M | $2 | $12 | 2026-07-09 | ||
| OpenAI: GPT-5.6 Solopenai/gpt-5.6-sol | OpenAI |
1.05M | $2 | $10 | 2026-07-09 | ||
| OpenAI: GPT-5.5openai/gpt-5.5 | OpenAI |
1.05M | $5 | $30 | 2026-04-23 | ||
| OpenAI: GPT-5.5 Proopenai/gpt-5.5-pro | OpenAI |
1.05M | $30 | $180 | 2026-04-23 | ||
| OpenAI: GPT-5.4 Nanoopenai/gpt-5.4-nano | OpenAI |
400K | $0.2 | $1.25 | 2026-03-17 | ||
| OpenAI: GPT-5.4 Miniopenai/gpt-5.4-mini | OpenAI |
400K | $0.75 | $4.5 | 2026-03-17 | ||
| OpenAI: GPT-5.4openai/gpt-5.4 | OpenAI |
1.05M | $2.5 | $15 | 2026-03-05 | ||
| OpenAI: GPT-4o-miniopenai/gpt-4o-mini | OpenAI |
128K | $0.15 | $0.6 | 2024-07-18 |