Models

OpenAI's cybersecurity-focused model, released on 5 November 2026 and limited to the top tier of its Daybreak Red programme; OpenAI says it surfaced 948 potential Linux kernel issues and 81 novel Firefox vulnerabilities.

Large language modelsReasoningSafety & governance

Nemotron 3.5 Transcribe is Nvidia's free, open-weight speech transcription model, released on 28 October 2026. It handles recordings up to an hour long, transcribes up to 40 languages and can separate up to eight speakers.

Open sourceMultimodalHardware & compute

Gemini 4 Carbon is a Google DeepMind frontier model announced on 28 October 2026, two weeks after Gemini 4 Argon, with Google claiming state-of-the-art cybersecurity and long-horizon capabilities.

Large language modelsReasoningSafety & governance

iFlytek's Spark X2.6 is a device-cloud model family unveiled in October 2026, pairing a 293-billion-parameter mixture-of-experts cloud model with smaller on-device models and a router that decides where each task runs.

Large language modelsChinaAgents & tool use

Muse Spark Open is Meta's open-weight large language model, announced on 15 October 2026. With 816 billion total parameters, it is built for coding and agentic work, and its weights can be downloaded, unlike the closed Muse Spark that started the family.

Large language modelsOpen sourceAgents & tool use

Mistral Large 4 is Mistral AI's flagship open-weight model, with about 1 trillion total parameters, a 1M-token context window and native multimodality. It was previewed on 6 October 2026, and an improved version's weights followed on 29 October 2026.

Large language modelsOpen sourceMultimodal

Claude Sonnet 5.5, released on 28 September 2026, is the second model in the Claude 5.5 family and Anthropic's fastest Sonnet to date. It costs $2 and $10 per million tokens, with cache reads halved in October 2026.

Large language modelsAgents & tool useConsumer apps

Claude Opus 5.5, released on 22 September 2026, is the first model in Anthropic's Claude 5.5 family. Anthropic said it performs at the level of Fable 5.1 on most work, at about 40% lower cost than Opus 5.

Large language modelsEnterpriseAgents & tool use

Grok 4.7 is xAI's September 2026 flagship model for coding and knowledge work, built on a larger base model than Grok 4.6 with longer reinforcement learning and a new safeguard stack, at unchanged token prices.

Large language modelsAgents & tool useSafety & governance

iFlytek Spark X2.5 is a 293B-A30B mixture-of-experts language model released on 7 September 2026, trained and served entirely on domestic computing power, with a 256K context window and support for more than 200 languages.

Large language modelsChinaAgents & tool use

Gemini 3.8 Flash is Google's fast, low-cost model released on 2 September 2026, alongside a cybersecurity variant, Gemini 3.8 Flash Cyber, with introductory pricing that doubles at the start of 2027.

Large language modelsReasoningSafety & governance

Claude Fable 5.1, released on 1 September 2026, keeps the $10 and $50 per million token price of Fable 5, with cache reads 75% cheaper. Its sibling Claude Mythos 5.1 is limited to trusted-access programmes.

Large language modelsAgents & tool useSafety & governance

Tencent Hy4 preview is an open-weight mixture-of-experts model released on 28 August 2026 with 770 billion total parameters, 49 billion active and a context of over one million tokens.

Large language modelsOpen sourceChina

GLM-5.3 is Zhipu's open-weight language model released on 14 August 2026. It keeps the GLM-5.2 base model and gains its improvements from post-training, with reported state-of-the-art open results on agentic coding and cybersecurity benchmarks.

Open sourceChinaAgents & tool use

A Google model released on 13 August 2026 as its most intelligent workhorse for coding and agents, priced with a scheduled increase and superseded three weeks later by 3.8 Flash.

Large language modelsAgents & tool useCode

Grok 4.6 is an xAI language model released on 12 August 2026, built on Grok 4.5 and aimed at long-running agents and interactive, visual work, with a 500,000-token context window and text and image input.

Large language modelsAgents & tool useCode

Claude Opus 5, released on 24 July 2026 at $5 and $25 per million tokens, is Anthropic's most aligned model to date and its most capable generally available model for scientific research.

Large language modelsAgents & tool useSafety & governance

Gemini 3.6 Flash is the Gemini model Google released on 21 July 2026 and called its workhorse: better coding, knowledge work and multimodal results than 3.5 Flash, fewer output tokens, built-in computer use and tiered pricing.

Large language modelsAgents & tool useCode

Grok 4.5 is an xAI model built for coding, agentic and knowledge work, announced on 16 July 2026. It was trained with Cursor on tens of thousands of NVIDIA GB300 GPUs and shipped as the default model in the Grok Build coding tool.

Large language modelsAgents & tool useDeveloper tools

OpenAI's three-model family released on 9 July 2026 — Luna, Terra and Sol, ordered from least to most capable — with Sol pitched as the company's strongest coding and agent model.

Large language modelsAgents & tool useSafety & governance

Claude Sonnet 5, released on 30 June 2026, is Anthropic's most agentic Sonnet model. It can make plans, use browsers and terminals, and run autonomously, at an introductory price of $2 and $10 per million tokens.

Large language modelsAgents & tool useConsumer apps

ByteDance Seed's Seed2.1, released in June 2026 in Pro and Turbo versions, is a Doubao-family model aimed at real productivity work, with reported gains in agent ability, coding, knowledge, reasoning and multimodal understanding.

Large language modelsChinaAgents & tool use

Claude Fable 5 is Anthropic's Mythos-class model for general use, released on 9 June 2026. Its sibling Claude Mythos 5 is the same model with some safeguards lifted for vetted users.

Large language modelsAgents & tool useSafety & governance

Step 3.7 Flash is a StepFun open-weights model released on 29 May 2026. It adds native image input to Step 3.5 Flash, supports a 256K context, and is licensed under Apache 2.0.

Open sourceChinaAgents & tool use

Released on 28 May 2026 at the same price as Opus 4.7, Claude Opus 4.8 added a fast mode at 2.5 times the speed, with fewer unnoticed flaws in its own code. Anthropic called it a modest but tangible improvement.

Large language modelsAgents & tool useSafety & governance

Gemini 3.5 Flash is Google's first Gemini 3.5 model, announced on 19 May 2026 and built for agentic and coding work; it became the default model in the Gemini app and in AI Mode in Search.

Large language modelsAgents & tool useConsumer apps

Laguna M.1 is Poolside's 225-billion-parameter mixture-of-experts model for long-horizon agentic coding, activating 23 billion parameters per token. Its weights reached Hugging Face seven weeks after launch.

Large language modelsAgents & tool useCode

Laguna XS.2 is Poolside's first open-weight coding model: 33 billion total parameters with 3 billion active per token, released under Apache 2.0 and trained on 30 trillion tokens.

Large language modelsOpen sourceAgents & tool use

A 128B-parameter open-weights multimodal model from Mistral AI, listed in April 2026 for agentic and coding work, briefly the default in Le Chat before being superseded by Mistral Large 4.

Large language modelsOpen sourceAgents & tool use

GPT-5.5 is an OpenAI model released on 23 April 2026 as GPT-5.5 Thinking and Pro, with an API version the next day. It succeeded GPT-5.4 and had a cybersecurity variant in limited preview.

Large language modelsReasoningSafety & governance

Released on 16 April 2026 at the same price as Opus 4.6, Claude Opus 4.7 added an xhigh effort level and accepted much larger images. It was the first model to test automatic blocking of high-risk cybersecurity requests.

Large language modelsAgents & tool useSafety & governance

GLM-5.1 is Zhipu AI's open-source large language model released in April 2026, built for coding and long-running agent tasks and notable for topping SWE-Bench Pro ahead of competing frontier models in Zhipu's own comparison.

Open sourceChinaAgents & tool use

Claude Mythos Preview, announced on 7 April 2026, is an unreleased frontier model that Anthropic made available only to restricted partners through Project Glasswing, a programme for securing critical software.

Large language modelsAgents & tool useReasoning

A generation of Alibaba's Qwen models released in April 2026, spanning proprietary Plus and Max versions aimed at agentic coding and open-weight models such as Qwen3.6-35B-A3B, a 35B-parameter mixture-of-experts with 3B active parameters.

Large language modelsOpen sourceChina

Kimi K2.6 is an open-weight Moonshot AI model released in April 2026, focused on long-horizon coding, with a 262,144-token context, text and image input, and Agent Swarm scaled to 300 sub-agents.

Open sourceChinaAgents & tool use

Mistral Small 4 is an open-weight mixture-of-experts model released in March 2026 that folds instruction-following, step-by-step reasoning and agentic coding into one model, with a switch that controls how much reasoning it does.

Large language modelsOpen sourceMultimodal

MiniMax-M2.7 is a 229B-parameter language model released by MiniMax in March 2026, built for agentic work and presented by the company as its first model to take part in its own improvement.

Open sourceChinaAgents & tool use

Gemini 3.1 Pro is Google's preview upgrade to Gemini 3 Pro, released on 19 February 2026, scoring a verified 77.1% on ARC-AGI-2 and shipped through the Gemini API, the Gemini app and NotebookLM.

Large language modelsMultimodalReasoning

Released on 17 February 2026 with a 1M-token context window in beta, Claude Sonnet 4.6 kept the price of Sonnet 4.5 and became the default model for Free and Pro users on claude.ai.

Large language modelsAgents & tool useConsumer apps

MiniMax-M2.5 is an open-weight 229B-parameter language model released in February 2026 for agentic coding and office work, shipped alongside a faster Lightning variant and reported at the top of software-engineering benchmarks.

Open sourceChinaAgents & tool use

A large language model released by iFlytek on 11 February 2026, trained entirely on domestic computing power and aimed at practical use in education, healthcare, automotive and agents.

Large language modelsChinaEnterprise

GPT-5.3-Codex is a coding model OpenAI released on 5 February 2026, which the company called its first model that was instrumental in creating itself and pitched for repository search, terminal commands and debugging as well as writing code.

Large language modelsAgents & tool useCode

Released on 5 February 2026, Claude Opus 4.6 was an upgrade to Anthropic's smartest model. It was the first Opus-class model with a 1M-token context window, in beta at launch, and it introduced agent teams in Claude Code.

Large language modelsEnterpriseAgents & tool use

Gemini 3 Flash is a fast, lower-cost model in Google's Gemini 3 family, released on 17 December 2025. It scored close to Gemini 3 Pro on several benchmarks while using fewer tokens and costing far less per token.

Large language modelsConsumer appsReasoning

GPT-5.2 is a model family OpenAI released on 11 December 2025, with Instant, Thinking and Pro versions and a coding variant. It was aimed at professional work such as spreadsheets and presentations.

Large language modelsEnterpriseReasoning

Devstral 2 is Mistral AI's 123B-parameter agentic coding model, released in December 2025 alongside the Mistral Vibe CLI and scoring 72.2% on SWE-bench Verified. It was deprecated in May 2026 and retired that July, replaced by Mistral Medium 3.5.

Open sourceAgents & tool useDeveloper tools

Gemini 3 Deep Think is Google's enhanced reasoning mode for Gemini 3, announced with Gemini 3 Pro on 18 November 2025 and released to Google AI Ultra subscribers on 3 December 2025, with an upgraded version following in February 2026.

Large language modelsReasoningScience

Three small dense models from Mistral AI — 3B, 8B and 14B — released in December 2025 under Apache 2.0, each in base, instruct and reasoning variants with image understanding.

Large language modelsOpen sourceMultimodal

MiniMax-M2.1 is an open-weight language model released in December 2025 as the successor to M2, aimed at software engineering and multilingual coding, with a 229B-parameter checkpoint and large reported gains on coding benchmarks.

Open sourceChinaAgents & tool use

GLM-4.7 is Zhipu's open-weights language model released in December 2025, aimed at multilingual agentic coding and terminal tasks. It reports clear gains over GLM-4.6 on software-engineering benchmarks and ships under the MIT license.

Open sourceChinaAgents & tool use

DeepSeekMath-V2, released on 27 November 2025, is a mathematical reasoning model trained to verify its own proofs. DeepSeek reported gold-level scores on IMO 2025 and CMO 2024 problems, and 118 of 120 on Putnam 2024.

Open sourceChinaReasoning

Claude Opus 4.5, released on 24 November 2025, cost a third as much as Opus 4.1 per token and introduced an effort parameter that lets developers trade capability for time and cost. Claude Opus 4.6 succeeded it.

Large language modelsAgents & tool useReasoning

An agentic coding model in OpenAI's GPT-5.1 family, released in November 2025. It was the first OpenAI model trained to work across multiple context windows and in Windows environments, and served as the default model in Codex until its retirement in 2026.

Large language modelsAgents & tool useCode

iFlytek's Spark X1.5 is a deep reasoning model released in November 2025 that runs on a domestic computing platform built with Huawei, using a 293-billion-parameter mixture-of-experts design.

Large language modelsChinaReasoning

Claude Haiku 4.5, released on 15 October 2025 and available to all users, offered coding performance close to Sonnet 4 at one-third of the cost and more than twice the speed.

Large language modelsEnterpriseAgents & tool use

MiniMax-M2 is an open-weights mixture-of-experts language model released by MiniMax in October 2025, with 230B total and 10B active parameters, aimed at coding and agentic workflows.

Open sourceChinaAgents & tool use

An experimental DeepSeek model released on 29 September 2025 that introduced DeepSeek Sparse Attention to make long-context training and inference cheaper, shipped with open weights and an immediate API price cut.

Large language modelsOpen sourceChina