Models

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name.

GLM-5.3-Flash is a native multimodal model from Z.ai.

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.

Llama 4 Scout 17B Instruct (16E) is a mixture-of-experts (MoE) language model developed by Meta, activating 17 billion parameters out of a total of 109B.

MiniMax-M3 is a multimodal foundation model from MiniMax.

MiniMax-M3.1-Flash is a multimodal model from MiniMax.

Muse Spark Open is a coding-optimized open-weight model.

Qwen3.8 27B is an open-weight dense vision-language model from Qwen.

Qwen3.8 Flash is a multimodal reasoning model from Alibaba.

Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3).

Fugu Max is the cost-performance model in Sakana AI's Fugu family.

Fugu Ultra is the higher-performance model in Sakana AI's Fugu family.

Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family.

Pareto is a multimodal composite model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of…

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows.

LongCat 2.0 is a sparse mixture-of-experts language model from Meituan, with 48B active parameters out of 1.6T total.

Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters).

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost.

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series.

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system.

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks.

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved…

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads.