Category: 2026 model releases
This category contains 17 pages.
- Claude Fable 5 · Anthropic's June 2026 frontier model, first of the Mythos-class tier above Opus; briefly suspended under a US export-control directive.
- Claude Opus 4.6 · Anthropic's February 2026 flagship, adding a beta 1M-token context window, adaptive thinking, and effort controls to the Opus line.
- Claude Opus 4.8 · Anthropic's May 2026 Opus flagship, adding dynamic workflows, a discounted fast mode, and developer-reported gains in coding honesty; the last Opus release before Claude Fable 5.
- Claude Opus 5 · Anthropic's July 2026 Opus release, positioned as approaching Claude Fable 5's capability at half its price; the first Opus-tier model of the Claude 5 generation.
- Claude Sonnet 5 · Anthropic's June 2026 mid-tier model, marketed as its most agentic Sonnet, released as the default model for Free and Pro plans.
- ERNIE 5 · Baidu's fifth-generation ERNIE flagship series: the natively omni-modal ERNIE 5.0 (November 2025) and the efficiency-focused ERNIE 5.1 (May 2026).
- Gemini 3.5 · Google DeepMind's 2026 Gemini generation: Flash shipped at I/O in May 2026 as the default Gemini model, while the Pro flagship remained unreleased as of July 2026.
- GLM-5 · Zhipu AI's February 2026 open-weight frontier model: a 744B-parameter mixture-of-experts LLM released under the MIT license, followed by the GLM-5.2 update in June 2026.
- GPT-5.6 · OpenAI's July 2026 frontier model series (Sol, Terra, Luna), first released as a restricted preview to US-government-vetted organizations in June 2026.
- Grok 4.5 · xAI's July 2026 frontier model, pitched as an efficient coding and agentic workhorse with configurable reasoning effort.
- Hunyuan 3.0 · Tencent's July 2026 open-weight flagship: a 295B-parameter mixture-of-experts model with 21B active parameters and a 256K context window, released under Apache 2.0.
- Kimi K3 · Moonshot AI's July 2026 flagship: a 2.8-trillion-parameter MoE, the largest open-weight release to date, with the Kimi Delta Attention architecture.
- LongCat · Meituan's open MoE line: LongCat-Flash (560B, 2025) and LongCat-2.0 (1.6T, 2026), trained entirely on Chinese accelerators.
- MiMo · Xiaomi's open model line: reasoning-first small models (MiMo-7B, 2025) scaled to the frontier checkpoints that led OpenRouter usage in 2026.
- Qwen3-Coder-Next · Alibaba Qwen team's February 2026 open-weight coding model, an ultra-sparse 80B hybrid-attention MoE tuned for coding agents and local development.
- Trinity Large · Arcee AI's 400B-parameter sparse mixture-of-experts flagship, trained from scratch on 17 trillion tokens and released in January 2026; widely described as the largest open-weight model from a US lab to that date.
- Trinity Large Thinking · Arcee AI's April 2026 open-weight reasoning model: an Apache 2.0 variant of the 400B-parameter Trinity Large, post-trained with SFT and RL for long-horizon agent and tool-use workloads.