[
  {
    "id": "openai/gpt-5.5",
    "label": "GPT-5.5",
    "vendor": "OpenAI",
    "tier": "flagship",
    "context_length": 1050000,
    "pricing_prompt_usd_per_m": 5,
    "pricing_completion_usd_per_m": 30,
    "knowledge_cutoff": "2025-12",
    "reasoning": true,
    "notes": "No temperature/top_p support (reasoning-only sampling) - harness must not send temperature. Max output 128K. Cutoff from OpenRouter catalog field (2025-12-01)."
  },
  {
    "id": "openai/gpt-5.4-mini",
    "label": "GPT-5.4 Mini",
    "vendor": "OpenAI",
    "tier": "small",
    "context_length": 400000,
    "pricing_prompt_usd_per_m": 0.75,
    "pricing_completion_usd_per_m": 4.5,
    "knowledge_cutoff": "2025-08",
    "reasoning": true,
    "notes": "Newest mini tier (no 5.5-mini exists yet). No temperature support. Max output 128K. gpt-5.4-nano ($0.20/$1.25) is a cheaper alternative."
  },
  {
    "id": "anthropic/claude-fable-5",
    "label": "Claude Fable 5",
    "vendor": "Anthropic",
    "tier": "flagship",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 10,
    "pricing_completion_usd_per_m": 50,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "GA 2026-06-09 (day before benchmark) - verified in catalog and Anthropic docs. New tier above Opus. No temperature/top_p (rejected with 400); adaptive thinking always on. Max output 128K. Opus 4.7-era tokenizer (~30% more tokens per text). Cutoff not yet published."
  },
  {
    "id": "anthropic/claude-haiku-4.5",
    "label": "Claude Haiku 4.5",
    "vendor": "Anthropic",
    "tier": "small",
    "context_length": 200000,
    "pricing_prompt_usd_per_m": 1,
    "pricing_completion_usd_per_m": 5,
    "knowledge_cutoff": "2025-02",
    "reasoning": true,
    "notes": "Reliable cutoff Feb 2025 per Anthropic docs (training data cutoff Jul 2025) - predates WC qualification finals. Temperature supported; extended thinking optional. Max output 64K."
  },
  {
    "id": "google/gemini-3.1-pro-preview",
    "label": "Gemini 3.1 Pro Preview",
    "vendor": "Google",
    "tier": "flagship",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 2,
    "pricing_completion_usd_per_m": 12,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Preview ID kept because NO stable Gemini 3.x Pro exists on OpenRouter as of 2026-06-10 (newest stable Pro is gemini-2.5-pro from 2025-06). Temperature supported. Max output 65,536."
  },
  {
    "id": "google/gemini-3.1-flash-lite",
    "label": "Gemini 3.1 Flash Lite",
    "vendor": "Google",
    "tier": "small",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 0.25,
    "pricing_completion_usd_per_m": 1.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Stable GA (preview variant also exists; avoided). Cheap high-volume tier. Temperature supported. Max output 65,536."
  },
  {
    "id": "x-ai/grok-4.3",
    "label": "Grok 4.3",
    "vendor": "xAI",
    "tier": "flagship",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 1.25,
    "pricing_completion_usd_per_m": 2.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Newest standard Grok (2026-04-30). xAI lists NO small/mini model on OpenRouter (only 4 x-ai models; grok-build-0.1 is a coding/build agent) - flagship only. Full sampling params. Max output not listed by provider. Sibling grok-4.20 listed cutoff 2025-09."
  },
  {
    "id": "deepseek/deepseek-v4-pro",
    "label": "DeepSeek V4 Pro",
    "vendor": "DeepSeek",
    "tier": "flagship",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 0.435,
    "pricing_completion_usd_per_m": 0.87,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "1.6T total / 49B active MoE. Max output 384K. Temperature supported."
  },
  {
    "id": "deepseek/deepseek-v4-flash",
    "label": "DeepSeek V4 Flash",
    "vendor": "DeepSeek",
    "tier": "small",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 0.0983,
    "pricing_completion_usd_per_m": 0.1966,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "284B total / 13B active MoE - same V4 generation as Pro, genuine size contrast. Max output 131,072. Cheapest model in roster."
  },
  {
    "id": "meta-llama/llama-4-maverick",
    "label": "Llama 4 Maverick",
    "vendor": "Meta",
    "tier": "flagship",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 0.15,
    "pricing_completion_usd_per_m": 0.6,
    "knowledge_cutoff": "2024-08",
    "reasoning": false,
    "notes": "Meta's top model on OpenRouter (400B total / 17B active, 128 experts) - no 2026 Llama release in catalog; lineup is stale. Non-reasoning. 2024-08 cutoff predates all WC qualification. Max output 16,384."
  },
  {
    "id": "meta-llama/llama-4-scout",
    "label": "Llama 4 Scout",
    "vendor": "Meta",
    "tier": "small",
    "context_length": 10000000,
    "pricing_prompt_usd_per_m": 0.1,
    "pricing_completion_usd_per_m": 0.3,
    "knowledge_cutoff": "2024-08",
    "reasoning": false,
    "notes": "109B total / 17B active (same active params as Maverick - size contrast is total params only). Non-reasoning. Max output 16,384."
  },
  {
    "id": "mistralai/mistral-medium-3-5",
    "label": "Mistral Medium 3.5",
    "vendor": "Mistral",
    "tier": "flagship",
    "context_length": 262144,
    "pricing_prompt_usd_per_m": 1.5,
    "pricing_completion_usd_per_m": 7.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Dense 128B. Judged current Mistral frontier by recency (2026-04-30), price, and reasoning support - mistral-large-2512 (2025-12) is older, cheaper, non-reasoning. Provider max output not listed."
  },
  {
    "id": "mistralai/mistral-small-2603",
    "label": "Mistral Small 4",
    "vendor": "Mistral",
    "tier": "small",
    "context_length": 262144,
    "pricing_prompt_usd_per_m": 0.15,
    "pricing_completion_usd_per_m": 0.6,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Marketed as 'Mistral Small 4' (2026-03 release). Reasoning-capable. Provider max output not listed."
  },
  {
    "id": "qwen/qwen3.7-max",
    "label": "Qwen3.7 Max",
    "vendor": "Alibaba",
    "tier": "flagship",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 1.25,
    "pricing_completion_usd_per_m": 3.75,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Vendor description confirms 'flagship model in Alibaba's Qwen3.7 series'. qwen3.7-plus (2026-06-03) is newer but mid-tier. Max output 65,536."
  },
  {
    "id": "qwen/qwen3.6-flash",
    "label": "Qwen3.6 Flash",
    "vendor": "Alibaba",
    "tier": "small",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 0.1875,
    "pricing_completion_usd_per_m": 1.125,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Newest flash tier (no 3.7-flash exists yet). Tiered pricing - rates rise above base at long context (irrelevant at ~5K prompts). Max output 65,536."
  },
  {
    "id": "moonshotai/kimi-k2.6",
    "label": "Kimi K2.6",
    "vendor": "Moonshot",
    "tier": "flagship",
    "context_length": 262144,
    "pricing_prompt_usd_per_m": 0.68,
    "pricing_completion_usd_per_m": 3.41,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Moonshot serves only K2-family (1T-class MoE) models - NO small Kimi exists on OpenRouter; flagship only. Supports reasoning_effort. Max output 262,142."
  },
  {
    "id": "z-ai/glm-5.1",
    "label": "GLM 5.1",
    "vendor": "Z.AI",
    "tier": "flagship",
    "context_length": 202752,
    "pricing_prompt_usd_per_m": 0.98,
    "pricing_completion_usd_per_m": 3.08,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Optional vendor, clearly present (10 z-ai models). Newest GLM frontier (2026-04-07); glm-5-turbo is a pricier speed variant. Provider max output not listed."
  },
  {
    "id": "z-ai/glm-4.7-flash",
    "label": "GLM 4.7 Flash",
    "vendor": "Z.AI",
    "tier": "small",
    "context_length": 202752,
    "pricing_prompt_usd_per_m": 0.06,
    "pricing_completion_usd_per_m": 0.4,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "30B-class. No GLM-5-generation small exists yet. Max output 16,384 - fine for ~8K-output runs but little headroom if reasoning tokens count toward it."
  },
  {
    "id": "anthropic/claude-opus-4.8",
    "label": "Claude Opus 4.8",
    "vendor": "Anthropic",
    "tier": "mid",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 5,
    "pricing_completion_usd_per_m": 25,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-05-27)."
  },
  {
    "id": "openai/gpt-5.5-pro",
    "label": "GPT-5.5 Pro",
    "vendor": "OpenAI",
    "tier": "flagship",
    "context_length": 1050000,
    "pricing_prompt_usd_per_m": 30,
    "pricing_completion_usd_per_m": 180,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-04-24)."
  },
  {
    "id": "openai/gpt-5.4-nano",
    "label": "GPT-5.4 Nano",
    "vendor": "OpenAI",
    "tier": "small",
    "context_length": 400000,
    "pricing_prompt_usd_per_m": 0.2,
    "pricing_completion_usd_per_m": 1.25,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-03-17)."
  },
  {
    "id": "google/gemini-3.5-flash",
    "label": "Gemini 3.5 Flash",
    "vendor": "Google",
    "tier": "mid",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 1.5,
    "pricing_completion_usd_per_m": 9,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-05-19)."
  },
  {
    "id": "x-ai/grok-4.20",
    "label": "Grok 4.20",
    "vendor": "xAI",
    "tier": "mid",
    "context_length": 2000000,
    "pricing_prompt_usd_per_m": 1.25,
    "pricing_completion_usd_per_m": 2.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-03-31)."
  },
  {
    "id": "qwen/qwen3.7-plus",
    "label": "Qwen3.7 Plus",
    "vendor": "Alibaba",
    "tier": "mid",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 0.4,
    "pricing_completion_usd_per_m": 1.6,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-06-03)."
  },
  {
    "id": "amazon/nova-2-lite-v1",
    "label": "Nova 2 Lite",
    "vendor": "Amazon",
    "tier": "mid",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 0.3,
    "pricing_completion_usd_per_m": 2.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2025-12-02)."
  },
  {
    "id": "cohere/command-a",
    "label": "Command A",
    "vendor": "Cohere",
    "tier": "flagship",
    "context_length": 256000,
    "pricing_prompt_usd_per_m": 2.5,
    "pricing_completion_usd_per_m": 10,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2025-03-13)."
  },
  {
    "id": "minimax/minimax-m3",
    "label": "MiniMax M3",
    "vendor": "MiniMax",
    "tier": "flagship",
    "context_length": 1048576,
    "pricing_prompt_usd_per_m": 0.3,
    "pricing_completion_usd_per_m": 1.2,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-05-31)."
  },
  {
    "id": "nvidia/nemotron-3-ultra-550b-a55b",
    "label": "Nemotron 3 Ultra",
    "vendor": "NVIDIA",
    "tier": "flagship",
    "context_length": 1000000,
    "pricing_prompt_usd_per_m": 0.5,
    "pricing_completion_usd_per_m": 2.5,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-06-04)."
  },
  {
    "id": "ai21/jamba-large-1.7",
    "label": "Jamba Large 1.7",
    "vendor": "AI21",
    "tier": "flagship",
    "context_length": 256000,
    "pricing_prompt_usd_per_m": 2,
    "pricing_completion_usd_per_m": 8,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2025-08-08)."
  },
  {
    "id": "inception/mercury-2",
    "label": "Mercury 2",
    "vendor": "Inception",
    "tier": "oddball",
    "context_length": 128000,
    "pricing_prompt_usd_per_m": 0.25,
    "pricing_completion_usd_per_m": 0.75,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Added 2026-06-10 pre-kickoff roster expansion; verified in live catalog (created 2026-03-04)."
  },
  {
    "id": "openai/gpt-3.5-turbo",
    "label": "GPT-3.5 Turbo",
    "vendor": "OpenAI",
    "tier": "legacy",
    "context_length": 16385,
    "pricing_prompt_usd_per_m": 0.5,
    "pricing_completion_usd_per_m": 1.5,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "The ChatGPT-launch era model (2023) — the benchmark elder. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2023-05-28."
  },
  {
    "id": "openai/gpt-4",
    "label": "GPT-4",
    "vendor": "OpenAI",
    "tier": "legacy",
    "context_length": 8191,
    "pricing_prompt_usd_per_m": 30,
    "pricing_completion_usd_per_m": 60,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "The 2023 flagship. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2023-05-28."
  },
  {
    "id": "openai/gpt-4o",
    "label": "GPT-4o",
    "vendor": "OpenAI",
    "tier": "legacy",
    "context_length": 128000,
    "pricing_prompt_usd_per_m": 2.5,
    "pricing_completion_usd_per_m": 10,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "The 2024 workhorse. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-05-13."
  },
  {
    "id": "anthropic/claude-3-haiku",
    "label": "Claude 3 Haiku",
    "vendor": "Anthropic",
    "tier": "legacy",
    "context_length": 200000,
    "pricing_prompt_usd_per_m": 0.25,
    "pricing_completion_usd_per_m": 1.25,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "2024 small tier. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-03-13."
  },
  {
    "id": "meta-llama/llama-3-70b-instruct",
    "label": "Llama 3 70B",
    "vendor": "Meta",
    "tier": "legacy",
    "context_length": 8192,
    "pricing_prompt_usd_per_m": 0.51,
    "pricing_completion_usd_per_m": 0.74,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "2024 open-weights icon. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-04-18."
  },
  {
    "id": "google/gemma-2-27b-it",
    "label": "Gemma 2 27B",
    "vendor": "Google",
    "tier": "legacy",
    "context_length": 8192,
    "pricing_prompt_usd_per_m": 0.65,
    "pricing_completion_usd_per_m": 0.65,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "2024 open-weights Google. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-07-13."
  },
  {
    "id": "qwen/qwen-2.5-72b-instruct",
    "label": "Qwen 2.5 72B",
    "vendor": "Alibaba",
    "tier": "legacy",
    "context_length": 131072,
    "pricing_prompt_usd_per_m": 0.36,
    "pricing_completion_usd_per_m": 0.4,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "2024 era Qwen. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-09-19."
  },
  {
    "id": "microsoft/wizardlm-2-8x22b",
    "label": "WizardLM-2 8x22B",
    "vendor": "Microsoft",
    "tier": "oddball",
    "context_length": 65536,
    "pricing_prompt_usd_per_m": 0.62,
    "pricing_completion_usd_per_m": 0.62,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "Released April 2024, pulled within days; survives only via hosts. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-04-16."
  },
  {
    "id": "tencent/hunyuan-a13b-instruct",
    "label": "Hunyuan A13B",
    "vendor": "Tencent",
    "tier": "oddball",
    "context_length": 131072,
    "pricing_prompt_usd_per_m": 0.14,
    "pricing_completion_usd_per_m": 0.57,
    "knowledge_cutoff": "unknown",
    "reasoning": true,
    "notes": "Tencent MoE. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2025-07-08."
  },
  {
    "id": "nousresearch/hermes-3-llama-3.1-405b",
    "label": "Hermes 3 405B",
    "vendor": "Nous Research",
    "tier": "oddball",
    "context_length": 131072,
    "pricing_prompt_usd_per_m": 1,
    "pricing_completion_usd_per_m": 1,
    "knowledge_cutoff": "unknown",
    "reasoning": false,
    "notes": "Community finetune of Llama 3.1 405B. Added 2026-06-11 pre-kickoff (legacy/oddball expansion); live-pinged before joining; catalog created 2024-08-16."
  }
]