Models

xAI

grok-4.6

Released 12 Aug 2026

xAI's closed-weight, reasoning-tuned model for long-running agentic coding and research, with a 500K-token context window and configurable reasoning depth.

Anthropic

Claude Opus 5

Released 24 Jul 2026

Anthropic's frontier reasoning model with a 1M-token context, adjustable reasoning effort, and multimodal input for code, research, and long-document work.

OpenAI

gpt-5.6-luna

Released 9 Jul 2026

OpenAI's fast, cost-efficient GPT-5.6 tier for high-volume chat, classification, and lightweight agentic tasks with a 1.05M-token context window.

xAI

grok-4.5

Released 8 Jul 2026

xAI's proprietary reasoning model with a 500,000-token context window, mandatory configurable reasoning effort, and text and image input.

Anthropic

Claude Fable 5

Released 9 Jun 2026

Anthropic's frontier Mythos-class model with always-on adaptive reasoning and a one-million-token context window, built for deep code and research analysis rather than real-time chat.

xAI

grok-build-0.1

Released 29 May 2026

xAI's agentic coding model: a 256K-context, tool-calling assistant with mandatory step-by-step reasoning, built for multi-step debugging and MCP orchestration.

Google

Gemini 3.1 Flash Lite

Released 7 May 2026

Google's fast, cost-optimised multimodal Gemini model with a million-token context window, built for high-throughput text, image, audio, video, and file input.

OpenAI

gpt-5.5

Released 23 Apr 2026

OpenAI's long-context instruct model, built for complex multi-step reasoning, long-document analysis, and tool orchestration across a 1M+ token context window.

OpenAI

gpt-5.4-mini

Released 17 Mar 2026

OpenAI's efficient GPT-5.4 mini instruct model, built for coding and agentic workloads with optional reasoning depth and a 400K-token multimodal context window.

OpenAI

gpt-5.4

Released 5 Mar 2026

OpenAI's configurable chain-of-thought reasoning model with a 1M-token context window and native text, image, and file input.

Google

Gemini 3.1 Pro Preview

Released 19 Feb 2026

Google's frontier reasoning model with mandatory chain-of-thought inference, a 1M-token context window, and full multimodal input for long-horizon, complex tasks.

Anthropic

Claude Opus 4.6

Released 5 Feb 2026

One of Anthropic's Claude Opus 4 models — a one-million-token context window, optional adaptive thinking, and native document understanding for reasoning-heavy and agentic work.

Google

Gemini 3 Flash Preview

Released 17 Dec 2025

Google's multimodal Flash model with a 1M+ token context and opt-in reasoning effort, built for fast Inference on complex, mixed-media tasks.

Anthropic

Claude Opus 4.5

Released 24 Nov 2025

Anthropic's frontier Claude Opus 4.5: a proprietary, text-and-image model built for complex coding, research, and long-document reasoning with optional extended thinking.

Anthropic

Claude Sonnet 4.5

Released 29 Sept 2025

Anthropic's instruct-tuned Claude Sonnet 4.5 — built for agentic coding, computer-use, and long-context reasoning via the Claude API.

Google

Gemini 2.5 Pro

Released 17 Jun 2025

Google's closed-weight, reasoning-tuned flagship with a 1M-token context window, multimodal input, and native tool calling.

Google

Gemini 2.5 Flash

Released 20 May 2025

Google DeepMind's efficiency-tier multimodal model with a 1M-token context window, optional chain-of-thought thinking, and native text, image, audio, video, and file input.