GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Claude model for demanding reasoning and long-horizon agentic work
Strongest Claude Opus model for coding, agents, and professional work
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Everyday Claude agent model for coding, planning, browsing, and general work
Restricted Claude model for advanced cybersecurity and biology research workflows
Claude model for creative writing, analysis, and controlled agent workflows
Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents
Default frontier GPT for coding, computer use, research, and knowledge work
Stronger Opus tier for advanced software work and high-stakes reasoning
Reasoning Grok for document-heavy analysis and long-horizon tool use
Grok model for agentic tool use, reasoning, coding, and live assistance
Agent-ready GPT for coding and computer-use workflows at a lower cost
Claude workhorse for coding agents, careful analysis, and production cost control
Coding-optimized GPT model for repository edits, reviews, and agentic software work
High-end Claude for difficult coding, planning, and slower expert reasoning
Code-specialist GPT for repository edits, reviews, and long-running software agents
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Fast Claude model for responsive assistance, classification, and lightweight agents
Balanced Claude model for coding, analysis, agent workflows, and cost control
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Affordable GPT-4.1 lane for fast coding help and structured extraction
Long-lived GPT workhorse for coding, instruction following, and production apps
O-series reasoning model for hard analysis, math, coding, and planning
Small omni GPT for cheap multimodal assistance and production-scale traffic
Omni-era GPT for multimodal chat, practical coding, and general assistants
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Fable 5.1anthropic/claude-fable-5-1 | 1M | $10 | $50 | 2026-09-01 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1M | $5 | $25 | 2026-07-24 | |||
| GPT-5.6 Terraopenai/gpt-5.6-terra | 1.05M | $2 | $12 | 2026-07-09 | |||
| GPT-5.6 Lunaopenai/gpt-5.6-luna | 1.05M | $0.2 | $1.2 | 2026-07-09 | |||
| GPT-5.6 Solopenai/gpt-5.6-sol | 1.05M | $4 | $20 | 2026-07-09 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1M | $2 | $10 | 2026-06-30 | |||
| Claude Mythos 5anthropic/claude-mythos-5 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Opus 4.8anthropic/claude-opus-4-8 | 1M | $5 | $25 | 2026-05-28 | |||
| GPT-5.5openai/gpt-5.5 | 1.05M | $5 | $30 | 2026-04-23 | |||
| Claude Opus 4.7anthropic/claude-opus-4-7 | 1M | $5 | $25 | 2026-04-16 | |||
| Grok 4.20 (Reasoning)xai/grok-4.20-0309-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | |||
| Grok 4.20 (Non-Reasoning)xai/grok-4.20-0309-non-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | |||
| GPT-5.4openai/gpt-5.4 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| Claude Sonnet 4.6anthropic/claude-sonnet-4-6 | 1M | $3 | $15 | 2026-02-17 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 400K | $1.75 | $14 | 2026-02-05 | |||
| Claude Opus 4.6anthropic/claude-opus-4-6 | 1M | $5 | $25 | 2026-02-05 | |||
| GPT-5.2 Codexopenai/gpt-5.2-codex | 400K | $0.14 | $1.14 | 2025-12-11 | |||
| Claude Opus 4.5anthropic/claude-opus-4-5-20251101 | 200K | $5 | $25 | 2025-11-01 | |||
| Claude Haiku 4.5anthropic/claude-haiku-4-5-20251001 | 200K | $1 | $5 | 2025-10-15 | |||
| Claude Sonnet 4.5anthropic/claude-sonnet-4-5-20250929 | 200K | $3 | $15 | 2025-09-29 | |||
| Claude Opus 4.1anthropic/claude-opus-4-1-20250805 | 200K | $15 | $75 | 2025-08-05 | |||
| o3openai/o3 | 200K | $2 | $8 | 2025-04-16 | |||
| GPT-4.1 miniopenai/gpt-4.1-mini | 1.04758M | $0.4 | $1.6 | 2025-04-14 | |||
| GPT-4.1openai/gpt-4.1 | 1.04758M | $2 | $8 | 2025-04-14 | |||
| o1openai/o1 | 200K | $15 | $60 | 2024-12-05 | |||
| GPT-4o miniopenai/gpt-4o-mini | 128K | $0.15 | $0.6 | 2024-07-18 | |||
| GPT-4oopenai/gpt-4o | 128K | $2.5 | $10 | 2024-05-13 |