long context

ScaleDown has released Summarize, an abstractive summarization model with a 1M-token context window, listed on OpenRouter on October 13, 2026. OpenRouter shows $0.04 per 1M input tokens (20% off the $0.05 list price) and $0 per 1M output tokens. Parameter count and benchmark scores have not been disclosed.

StepFun has listed Step 5 Preview, a sparse Mixture-of-Experts model with 600B total and 27B active parameters and a 1.0M-token context window. It is priced at $1 input and $2.70 output per 1M tokens on OpenRouter. StepFun positions it as its flagship model for agentic work.

A previously unknown AI provider has released Space Bunny Alpha, a stealth model on OpenRouter offering a 1M-token context window, adjustable reasoning effort, and multimodal input support. The model is free during its preview period, though its developer remains unnamed.

Upstage has released Solar Mini 4, a compact mixture-of-experts model with 35B total parameters, 3B active parameters, and a 524K token context window. The model targets agentic workloads and is priced at $0.05 per 1M input tokens and $0.20 per 1M output tokens, a promotional 50% discount off standard rates.

Xiaomi's MiMo team has released MiMo-V2.6-Pro-RL, a 1.02-trillion-parameter sparse mixture-of-experts model with 42B active parameters, 1M-token context, and native text/image/video/audio processing. The model was trained via a single mixed reinforcement learning run spanning coding, agentic, visual, and cybersecurity tasks, with benchmark scores that Xiaomi claims approach or match Claude Opus 5 and GPT-5.6 on several agentic and coding tests.

Xiaomi's MiMo-V2.6-Pro-UltraSpeed is a fast-inference edition of the company's 1T-parameter flagship MiMo-V2.6-Pro, delivering roughly 10x the output speed at matching quality. It retains the 1M-token context window and native multimodal capabilities, priced at $4.35/$8.70 per 1M input/output tokens.

Xiaomi has released MiMo-V2.6-Pro, a flagship foundation model exceeding 1 trillion parameters with a 1M-token context window and native multimodal support. The model is priced at $0.435 per 1M input tokens and $0.87 per 1M output tokens, targeting agentic and long-horizon tasks.

xAI has released Grok 4.7, the successor to Grok 4.6, listed on OpenRouter with a 500K token context window and pricing of $1.60 per 1M input tokens and $4.80 per 1M output tokens. The company claims improvements in long-running software engineering tasks, self-verification, and professional document drafting.

Z.ai has released GLM-5.3-FlashX, a high-speed variant of GLM-5.3-Flash built on a hybrid sparse and linear attention architecture with 320B total parameters (18B active). The model supports a 1M-token context window and claims inference speeds of up to 200 tokens per second.

OpenRouter has introduced DeepSeek: DeepSeek Pro Latest, a routing alias that automatically points to whichever DeepSeek Pro model is newest. The endpoint offers a 1,049K token context window at $0.58 per 1M input tokens and $1.74 per 1M output tokens.

OpenRouter is listing a model called 'OpenAI GPT Astra Latest' with a 1.05 million token context window and $10/$50 per-million-token pricing. OpenAI has made no public announcement, and the listing's own description says it is an auto-redirecting alias rather than a fixed model.

OpenRouter has added a listing called '~openai/gpt-sol-latest,' described as an alias that always points to the newest model in an undisclosed 'GPT Sol' family from OpenAI. The listing shows a 1050K token context window and pricing of $2.00 per million input tokens and $10.00 per million output tokens, but OpenAI has not publicly confirmed a model line by this name.

OpenRouter's catalog lists '~openai/gpt-terra-latest,' an alias pointing to what it describes as the newest model in an unannounced 'GPT Terra' family, with a 1.05 million token context window and $2/$12 per-million-token pricing. OpenAI has made no public statement confirming the model's existence.

DeepSeek has released V4.1-Flash, a 552B-parameter multimodal Mixture-of-Experts model supporting 1M-token context and activating only 8B parameters during prefill. The model uses a new Causal Encoder-Decoder architecture and Compressed Sparse Attention 2 to cut global KV cache to 890 bytes per token, roughly a quarter of its predecessor.

Alibaba's Qwen team released Qwen3.8-2.4T-A95B on August 12, 2026, the open-weight version of Qwen3.8-Max and the first Qwen-Max-class model made publicly available. The 2.4 trillion-parameter mixture-of-experts model activates only 95 billion parameters per token and supports context windows up to 1 million tokens.

Alibaba's Qwen team released Qwen3.8 Max (0902), a 2.4-trillion-parameter mixture-of-experts model with a 1M-token context window that accepts text, image, and video input. The snapshot is post-trained for coding, agentic workflows, and long-horizon task execution, priced at $2/$6 per 1M input/output tokens.

Meta has released Muse Spark 1.3, a multimodal reasoning model with a 1M-token context window, listed as free on OpenRouter. The model targets long-running agentic, multi-agent, and coding workflows, though audio input support remains incomplete.

Google's Gemini 3.8 Flash has surfaced on OpenRouter with a 1-million-token context window and discounted pricing of $0.75 per 1M input tokens and $3.75 per 1M output tokens. Google has not issued a separate public announcement, and the listed release date of September 2, 2026 is unusually far out, leaving key details unconfirmed.

Z.ai has published GLM Flash Latest on OpenRouter, a routing alias that automatically points to the newest checkpoint in the GLM Flash lineup. It supports a 1.31M token context window and multimodal text, image, and video input at $0.07 per 1M input tokens and $0.25 per 1M output tokens.

Alibaba has released Qwen3.8 Flash, a multimodal reasoning model with a 1 million token context window, aimed at coding, agentic workflows, and visual/document analysis. It's priced at $0.16 per 1M input tokens and $0.47 per 1M output tokens through Alibaba Cloud International.

Alibaba's Qwen team has released Qwen3.8-Flash-Next, an open-weight model with 125B total parameters (6B activated) that previews architectural changes planned for Qwen4, including a new sparse attention mechanism and n-gram embeddings. The model natively supports 262,144 tokens of context, extensible to 1 million.

A stealth model called Ox Alpha has appeared on OpenRouter, offering a 1 million token context window at no cost during its preview period. The model's developer remains anonymous, and OpenRouter says it is acting only as a router, not the model's owner or provider.

Z.ai has released GLM-5.3, a large-scale reasoning model aimed at software engineering and long-horizon agent tasks, featuring a 1M-token context window and mandatory reasoning that cannot be disabled. The model is priced at $1.40 per 1M input tokens and $4.40 per 1M output tokens on OpenRouter.

Alibaba's Qwen team has released Qwen3.8-27B, a 27-billion-parameter dense vision-language model with 262,144-token native context extensible to 1 million tokens. The model shows gains over Qwen3.6-27B and Qwen3.7-Plus across coding, agentic, and multimodal benchmarks, according to Alibaba.

Alibaba's Qwen team has released Qwen3.8-2.4T-A95B-FP8, an open-weight, FP8-quantized MoE model with 2.4 trillion total parameters and 95 billion activated per token. It natively supports 262,144 tokens of context, extensible to 1,010,000, and forms the base for the hosted Qwen3.8-Max API.

DeepSeek has shipped the general availability release of DeepSeek V4 Pro, codenamed 0813, featuring a 1,049,000-token context window. The mixture-of-experts model is priced at $0.43 per million input tokens and $0.87 per million output tokens, and is live now on OpenRouter.

ByteDance Seed has released Seed 2.1 Turbo, a multimodal model targeting coding and long-horizon agent workflows with a 262K token context window. The model is priced at $0.50 per 1M input tokens and $2.50 per 1M output tokens, and is now listed on OpenRouter.

ByteDance Seed has released Seed-2.0-Code, a model optimized for agentic coding workflows with a 262K token context window. The model accepts text, image, and video input and is priced at $0.50 per million input tokens and $3.00 per million output tokens.

Upstage has released Solar Pro 4, a large language model with a 524K token context window aimed at agentic workflows, document processing, and coding. The model is priced at $0.03 per million input tokens and $0.12 per million output tokens, and is available now via OpenRouter.

DeepSeek has published a new routing endpoint, deepseek-v4-flash-latest, that always points to the newest model in its V4 Flash family. The endpoint offers a 1,049K token context window and pricing of $0.09/M input and $0.18/M output tokens via OpenRouter.

Thinking Machines Lab has released Inkling Small, an open-weight multimodal mixture-of-experts model with 12B active parameters out of 276B total and a 524K token context window. The model targets reasoning, coding, agentic workflows, and multilingual use cases at $0.58 per 1M input tokens and $1.44 per 1M output tokens.

DeepSeek has released V4 Flash 0731, a sparse mixture-of-experts model with 13B active parameters out of 284B total and a 1049K token context window. The model targets coding, reasoning, and agent workflows, priced at $0.14 per million input tokens and $0.28 per million output tokens via OpenRouter.

Alibaba has released Qwen3.7 Flash, a vision-language reasoning model with a 1 million token context window aimed at multimodal agents, visual coding, and computer-use tasks. The model is priced at $0.03 per 1M input tokens and $0.13 per 1M output tokens and is available through OpenRouter.

InclusionAI has released Ling-3.0-flash, a 124-billion-parameter Mixture-of-Experts model that activates roughly 5.1 billion parameters per token. The model targets production-scale agentic workloads with a 262K context window and an emphasis on token efficiency.

MiniMax has released M3, a multimodal foundation model supporting text, image, and video inputs with a 1-million-token context window. The model costs $0.30 per million input tokens and $1.20 per million output tokens, available through OpenRouter.

xAI has released Grok 4.3, a reasoning model with a 1 million token context window and no output token limit. The model accepts text and image inputs, has always-on reasoning that cannot be disabled, and uses tiered pricing starting at $1.25 per million input tokens and $2.50 per million output tokens.

OpenRouter has released Owl Alpha, a foundation model specifically designed for agentic workloads with native tool use support and a 1,048,756 token context window. The model is currently free for both input and output tokens and is compatible with Claude Code, OpenClaw, and other productivity tools.

DeepSeek has released V4 Pro, a Mixture-of-Experts model with 1.6 trillion total parameters and 49 billion activated parameters. The model supports a 1-million-token context window and costs $1.74 per million input tokens and $3.48 per million output tokens.

DeepSeek has released V4 Flash, a Mixture-of-Experts model with 284B total parameters and 13B activated parameters per request. The model supports a 1,048,576-token context window and is priced at $0.14 per million input tokens and $0.28 per million output tokens.

Alibaba has released Qwen3.6-27B, a 27-billion parameter language model with a native 262,144 token context window (extensible to 1,010,000 tokens). The model achieves 53.5% on SWE-bench Pro and 77.2% on SWE-bench Verified, with FP8 quantization providing near-identical performance to the full-precision version.

Arcee AI has released Trinity Large Preview, a 400B-parameter sparse Mixture-of-Experts model with 13B active parameters per token using 4-of-256 expert routing. The model supports context windows up to 512K tokens and is available with open weights under permissive licensing.