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A hierarchical value set of frontier large language / foundation models, organized as provider > model family > specific model release. Leaf nodes use the canonical model identifier as used in the providers' APIs and "/model" selectors (e.g. claude-opus-4-8, gpt-5.5, gemini-3.5-flash). Intermediate nodes group models by developer and family. Per-model metadata (knowledge/training cutoff, context window, max output tokens, release date, links to model cards) is attached as annotations and see_also links where available.
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NOTE: The frontier model landscape changes rapidly; values reflect the state of provider documentation as of mid-2026. Canonical API identifiers for open-weight models (Llama, DeepSeek, Mistral, Kimi) can vary between inference hosts; the identifiers given are the developer's reference names.
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Generated from: computing/frontier_ai_models.yaml
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"""
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from __future__ importannotations
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fromvaluesets.generators.rich_enumimportRichEnum
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classFrontierModelEnum(RichEnum):
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"""
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Hierarchical enumeration of frontier AI models. The hierarchy has three tiers: developer (e.g. ANTHROPIC), model family (e.g. CLAUDE_OPUS), and specific model release identified by its canonical API model id (e.g. claude-opus-4-8). Intermediate developer and family nodes are uppercase categorical values; leaf nodes are the verbatim API identifiers.
"ANTHROPIC": {'description': 'Models developed by Anthropic (the Claude family)', 'annotations': {'node_type': 'developer', 'homepage': 'https://www.anthropic.com'}},
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"CLAUDE_OPUS": {'description': "Claude Opus - Anthropic's most capable Opus-tier model family", 'annotations': {'node_type': 'family', 'tier': 'most capable'}},
"CLAUDE_HAIKU": {'description': "Claude Haiku - Anthropic's fastest and most cost-effective family", 'annotations': {'node_type': 'family', 'tier': 'fast'}},
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"CLAUDE_HAIKU_4_5": {'description': "Claude Haiku 4.5 - Anthropic's fastest and most cost-effective model for simple, latency-sensitive tasks.", 'annotations': {'node_type': 'model', 'api_model_id': 'claude-haiku-4-5', 'full_model_id': 'claude-haiku-4-5-20251001', 'developer': 'Anthropic', 'context_window': 200000, 'max_output_tokens': 64000, 'input_usd_per_mtok': 1.0, 'output_usd_per_mtok': 5.0}, 'aliases': ['Haiku 4.5', 'haiku']},
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"CLAUDE_FABLE": {'description': "Claude Fable - Anthropic's most capable widely released model family, for the most demanding reasoning and long-horizon agentic work.", 'annotations': {'node_type': 'family', 'tier': 'frontier'}},
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"CLAUDE_FABLE_5": {'description': "Claude Fable 5 - Anthropic's most capable widely released model. Thinking is always on; raw chain of thought is never returned. Requires 30-day data retention.", 'annotations': {'node_type': 'model', 'api_model_id': 'claude-fable-5', 'developer': 'Anthropic', 'context_window': 1000000, 'max_output_tokens': 128000, 'input_usd_per_mtok': 10.0, 'output_usd_per_mtok': 50.0}, 'aliases': ['Fable 5', 'fable']},
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"CLAUDE_MYTHOS": {'description': 'Claude Mythos - same capabilities and API behavior as Claude Fable, available exclusively through Project Glasswing.', 'annotations': {'node_type': 'family', 'tier': 'frontier', 'availability': 'Project Glasswing only'}},
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"CLAUDE_MYTHOS_5": {'description': 'Claude Mythos 5 - same capabilities, pricing, limits, and API behavior as Claude Fable 5; available only through Project Glasswing.', 'annotations': {'node_type': 'model', 'api_model_id': 'claude-mythos-5', 'developer': 'Anthropic', 'context_window': 1000000, 'max_output_tokens': 128000}, 'aliases': ['Mythos 5']},
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"OPENAI": {'description': 'Models developed by OpenAI (the GPT family)', 'annotations': {'node_type': 'developer', 'homepage': 'https://openai.com'}},
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"GPT_5": {'description': "GPT-5 - OpenAI's frontier model family for coding and professional work", 'annotations': {'node_type': 'family', 'tier': 'frontier'}},
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"GPT_5_5": {'description': 'GPT-5.5 - OpenAI\'s newest frontier model, "a new class of intelligence for coding and professional work".', 'annotations': {'node_type': 'model', 'api_model_id': 'gpt-5.5', 'developer': 'OpenAI', 'training_cutoff': '2025-12-01', 'context_window': 1000000}, 'aliases': ['GPT-5.5']},
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"GPT_5_4": {'description': 'GPT-5.4 - a more affordable model for coding and professional work.', 'annotations': {'node_type': 'model', 'api_model_id': 'gpt-5.4', 'developer': 'OpenAI', 'training_cutoff': '2025-08-31', 'context_window': 1000000}, 'aliases': ['GPT-5.4']},
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"GPT_5_4_MINI": {'description': "GPT-5.4 mini - OpenAI's strongest mini model for coding, computer use, and subagents; lower latency and cost.", 'annotations': {'node_type': 'model', 'api_model_id': 'gpt-5.4-mini', 'developer': 'OpenAI', 'training_cutoff': '2025-08-31', 'context_window': 400000}, 'aliases': ['GPT-5.4 mini']},
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"GPT_5_2": {'description': 'GPT-5.2 - previous frontier model for complex professional work.', 'annotations': {'node_type': 'model', 'api_model_id': 'gpt-5.2', 'developer': 'OpenAI'}, 'aliases': ['GPT-5.2']},
"GOOGLE": {'description': 'Models developed by Google DeepMind (the Gemini family)', 'annotations': {'node_type': 'developer', 'homepage': 'https://deepmind.google'}},
"GEMINI_2_5_PRO": {'description': 'Gemini 2.5 Pro - high-capability model for complex reasoning and coding with adaptive thinking and a 1M token context.', 'annotations': {'node_type': 'model', 'api_model_id': 'gemini-2.5-pro', 'developer': 'Google DeepMind', 'context_window': 1000000}, 'aliases': ['Gemini 2.5 Pro']},
"META": {'description': 'Open-weight models developed by Meta (the Llama family)', 'annotations': {'node_type': 'developer', 'homepage': 'https://www.llama.com', 'license': 'Llama Community License'}},
"MISTRAL": {'description': 'Models developed by Mistral AI', 'annotations': {'node_type': 'developer', 'homepage': 'https://mistral.ai'}},
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"MISTRAL_LARGE": {'description': "Mistral Large - Mistral AI's flagship open-weight model family", 'annotations': {'node_type': 'family'}},
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"MISTRAL_LARGE_3": {'description': 'Mistral Large 3 - state-of-the-art open-weight MoE model (41B active / 675B total parameters), 256K context, released under Apache 2.0.', 'annotations': {'node_type': 'model', 'api_model_id': 'mistral-large-3', 'developer': 'Mistral AI', 'release_date': '2025-12', 'context_window': 256000, 'license': 'Apache-2.0'}, 'aliases': ['Mistral Large 3']},
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"MOONSHOT": {'description': 'Models developed by Moonshot AI (the Kimi family)', 'annotations': {'node_type': 'developer', 'homepage': 'https://www.moonshot.ai'}},
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