Google DeepMind's mathematical-reasoning model that formally proves theorems; the AlphaProof Nexus version tackles Erdős problems.

Anthropic's Mythos-class multimodal Claude model (text, vision, code) made safe for general use — strong at software engineering, knowledge work, long-context reasoning, scientific research and protein design, with safeguards that fall back to Claude Opus 4.8 for sensitive domains. Available via the Claude API and claude.ai. Priced at $10 / $50 per million input / output tokens.

The same underlying multimodal Claude model as Fable 5, but with safeguards lifted in some domains (e.g. cybersecurity, biology), offered to vetted users through Anthropic's Project Glasswing trusted-access program. Text, vision and code. Priced at $10 / $50 per million input / output tokens.

DeepSeek V4 — DeepSeek's frontier model with a million-token context window built for long-running agentic workloads.

DeepSeek-V4-Flash — the fast, low-cost tier of DeepSeek's V4 family, released at $0.28 per million tokens and upgraded (0731) with stronger agentic and coding performance.

DeepSeek-V4-Pro — the flagship tier of DeepSeek's trillion-scale V4 family, a MoE model aimed at frontier reasoning, coding and agentic workloads above the cheaper V4 Flash tier.

The GLM (General Language Model) family from Zhipu AI / Z.ai — open-weight Chinese LLMs (GLM-4.5/4.6/5/5.1/5.2 plus GLM-OCR, Air, Flash and Turbo variants) known for strong coding and long-context performance under permissive (MIT) licenses.

GLM-5.2 — Zhipu AI's flagship GLM model tuned for long-horizon, multi-step agentic tasks.

Most capable and efficient frontier model for professional work.

OpenAI's GPT-5.5 — the default ChatGPT model (Instant), with Pro and Thinking variants for paid plans. Lower hallucination in law, medicine and finance, and stronger STEM reasoning. A GPT-5.5-Cyber variant targets cybersecurity.

OpenAI's GPT-5.6 family (previewed 2026) — tiered Sol, Terra and Luna models with new reasoning modes; reportedly beats Anthropic's Mythos 5. Initial rollout was limited at US government request.

GPT-5.6 Luna — the low-cost, high-throughput tier of OpenAI's GPT-5.6 family, whose price cuts drove the 2026 inference price war.

GPT-5.6 Sol — the flagship tier of OpenAI's GPT-5.6 family, positioned as its highest-capability reasoning model and benchmarked against Claude Opus 5 and Fable 5.

GPT-5.6 Terra — the mid tier of OpenAI's GPT-5.6 family, sitting between Luna and Sol on price and capability, generally available via the OpenAI API and Amazon Bedrock.

Gemini 3.7 Flash is Google's fast, low-cost Gemini tier released in August 2026, aimed at coding and agentic workloads at $0.75 per million input tokens — arriving three weeks after the previous Flash release.

Google's fast, cost-efficient Gemini model tier, announced at Google I/O 2026.

Google's 12-billion-parameter open model in the Gemma 4 family — a compact, efficient multimodal LLM designed to run on a single GPU.

Grok is an AI assistant built by xAI. Chat, create images, write code, and get real-time answers from the web and X

Grok 4.5 — xAI's frontier large language model, the successor to Grok 4, with stronger reasoning, coding and real-time knowledge via X integration.

Grok 4.6 — xAI's frontier large language model and successor to Grok 4.5, a 500K-context model tuned for long-running agents, coding and real-time knowledge via X integration.

Claude Haiku 4.5 is our fastest, most cost-efficient model, matching Sonnet 4’s performance on coding, computer use, and agent tasks.

Granite is IBM's family of open, Apache 2.0 licensed language, vision and embedding models aimed at enterprise workloads.

Moonshot AI's flagship 1T-parameter open-weight LLM featuring 262K context window, long-horizon coding with up to 300 sub-agent swarms and 4,000 coordinated steps. Outperforms GPT-5.4 and Claude Opus 4.6 on SWE-Bench Pro (58.6). Supports multimodal input including vision.

Kimi K3 — Moonshot AI's next-generation Kimi model, reported to close the gap with Anthropic's Opus 4.8 and shipped as one of the largest open-source frontier models.

Meituan's 1.6-trillion-parameter open-source agentic coding model with a 1M-token context window (June 2026). The first trillion-parameter model claimed to be fully pre-trained AND served on domestic Chinese AI chips.

MiniMax M3 — MiniMax's long-context reasoning and agentic model, positioned for open-weight deployment on accelerated infrastructure.

Meta's Muse Glimmer — a 30B open-weights, multimodal agentic model built for always-on local agent workflows, small enough to run on a single consumer GPU.

Meta open-source AI video generation model for creating short video clips from text and image prompts.

Meta's Muse Spark 1.2 — the August 2026 update to Meta's paid Muse Spark foundation model, powering the Muse Code terminal agent with higher coding and Terminal-Bench scores at a low per-task price.

By far the most powerful AI model Anthropic ever developed.

NVIDIA's Nemotron 3 Nano — the compact, efficiency-focused tier of the Nemotron 3 open model family, including the Nano Omni multimodal variant for long-context document, audio and video agents.

NVIDIA's Nemotron 3 Ultra — the largest, highest-capability model in the Nemotron 3 open model family, tuned for advanced reasoning, agentic workflows and enterprise AI.

NVIDIA's Nemotron 3.5 Lightning — the speed-optimized tier of the Nemotron 3.5 open model family, built for fast, accurate specialized task execution in long-running agentic workflows.

NVIDIA's Nemotron 4 — the next major generation of the Nemotron open model family, following the Nemotron 3 and Nemotron 3.5 releases, aimed at reasoning-heavy and agentic enterprise AI workloads.

Claude Opus 4.6 is state-of-the-art across a wide range of coding and agentic capabilities.

Opus 4.7 is a notable improvement on Opus 4.6 in advanced software engineering, with particular gains on the most difficult tasks.

Anthropic's flagship Claude Opus 4.8 — the successor to Opus 4.7 with further improvements in advanced reasoning, coding and agentic capabilities.

Claude Opus 5 — Anthropic's most capable model in the Claude 5 family, the frontier successor to Opus 4.8 for the hardest reasoning, coding and agentic work.

Alibaba Cloud's latest Qwen 3-series flagship LLM, the successor to Qwen 3.6 with improved reasoning, coding and agentic capabilities.

Alibaba Cloud's latest Qwen 3-series flagship LLM, the successor to Qwen 3.7 with improved reasoning, coding and agentic capabilities.

Sakana AI model that coordinates and orchestrates multiple models, matching frontier models on some benchmarks.

Hybrid reasoning model with superior intelligence for agents, featuring a 1M context window

Anthropic's Claude Sonnet 4.8, launched alongside Opus 4.8 — brings Opus-class quality into the mid tier with the new Dynamic Workflows tool and improved vision workflows.

Claude Sonnet 5 — Anthropic's balanced mid-tier model in the Claude 5 family, pairing strong reasoning and coding with fast, cost-efficient responses.

Watermelon — the codename for Meta's upcoming frontier AI model, reported to match OpenAI's GPT-5.5 on key benchmarks. Meta's bid to reclaim ground in the frontier LLM race under Alexandr Wang's superintelligence group.