Small

Google

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool use performance with substantially lower latency than larger Gemini variants, making it well suited for interactive development, long running agent loops, and collaborative coding tasks. Compared to Gemini 2.5 Flash, it provides broad quality improvements across reasoning, multimodal understanding, and reliability.

The model supports a 1M token context window and multimodal inputs including text, images, audio, video, and PDFs, with text output. It includes configurable reasoning via thinking levels (minimal, low, medium, high), structured output, tool use, and automatic context caching. Gemini 3 Flash Preview is optimized for users who want strong reasoning and agentic behavior without the cost or latency of full scale frontier models.

Google: Gemini 3 Flash Preview

OpenRouter

Amazon

Amazon Nova Lite 1.0 is a very low-cost multimodal model from Amazon that focused on fast processing of image, video, and text inputs to generate text output. Amazon Nova Lite can handle real-time customer interactions, document analysis, and visual question-answering tasks with high accuracy.

With an input context of 300K tokens, it can analyze multiple images or up to 30 minutes of video in a single input.

Amazon: Nova Lite 1.0

Amazon Nova Micro 1.0 is a text-only model that delivers the lowest latency responses in the Amazon Nova family of models at a very low cost. With a context length of 128K tokens and optimized for speed and cost, Amazon Nova Micro excels at tasks such as text summarization, translation, content classification, interactive chat, and brainstorming. It has  simple mathematical reasoning and coding abilities.

Amazon: Nova Micro 1.0

Anthropic

Claude 3.5 Haiku features offers enhanced capabilities in speed, coding accuracy, and tool use. Engineered to excel in real-time applications, it delivers quick response times that are essential for dynamic tasks such as chat interactions and immediate coding suggestions.

This makes it highly suitable for environments that demand both speed and precision, such as software development, customer service bots, and data management systems.

This model is currently pointing to [Claude 3.5 Haiku (2024-10-22)](/anthropic/claude-3-5-haiku-20241022).

Anthropic: Claude 3.5 Haiku

Meta: Llama 3.2 3B Instruct

Llama 3.2 1B is a 1-billion-parameter language model focused on efficiently performing natural language tasks, such as summarization, dialogue, and multilingual text analysis. Its smaller size allows it to operate efficiently in low-resource environments while maintaining strong task performance.

Supporting eight core languages and fine-tunable for more, Llama 1.3B is ideal for businesses or developers seeking lightweight yet powerful AI solutions that can operate in diverse multilingual settings without the high computational demand of larger models.

Click here for the [original model card](https://github.com/meta-llama/llama-models/blob/main/models/llama3_2/MODEL_CARD.md).

Usage of this model is subject to [Meta's Acceptable Use Policy](https://www.llama.com/llama3/use-policy/).

Meta: Llama 3.2 1B Instruct

OpenAI

gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for lower-latency inference and deployability on consumer or single-GPU hardware. The model is trained in OpenAI’s Harmony response format and supports reasoning level configuration, fine-tuning, and agentic capabilities including function calling, tool use, and structured outputs.

OpenAI: gpt-oss-20b

Mistral

The largest model in the Ministral 3 family, Ministral 3 14B offers frontier capabilities and performance comparable to its larger Mistral Small 3.2 24B counterpart. A powerful and efficient language model with vision capabilities.

Mistral: Ministral 3 14B 2512

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.

OpenAI: GPT-5 Nano

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized to run on a single H100 GPU with native MXFP4 quantization. The model supports configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.

OpenAI: gpt-oss-120b

Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with greater accuracy and nuanced context handling. 

Additionally, Gemini 2.5 Flash is configurable through the "max tokens for reasoning" parameter, as described in the documentation (https://openrouter.ai/docs/use-cases/reasoning-tokens#max-tokens-for-reasoning).

Google: Gemini 2.5 Flash

A balanced model in the Ministral 3 family, Ministral 3 8B is a powerful, efficient tiny language model with vision capabilities.

Mistral: Ministral 3 8B 2512

The smallest model in the Ministral 3 family, Ministral 3 3B is a powerful, efficient tiny language model with vision capabilities.

Mistral: Ministral 3 3B 2512

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications.

It introduces extended thinking to the Haiku line; enabling controllable reasoning depth, summarized or interleaved thought output, and tool-assisted workflows with full support for coding, bash, web search, and computer-use tools. Scoring >73% on SWE-bench Verified, Haiku 4.5 ranks among the world’s best coding models while maintaining exceptional responsiveness for sub-agents, parallelized execution, and scaled deployment.

Anthropic: Claude Haiku 4.5

Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance across common benchmarks compared to earlier Flash models. By default, "thinking" (i.e. multi-pass reasoning) is disabled to prioritize speed, but developers can enable it via the [Reasoning API parameter](https://openrouter.ai/docs/use-cases/reasoning-tokens) to selectively trade off cost for intelligence. 

Google: Gemini 2.5 Flash Lite

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. It supports native multimodal input (text and image) and multilingual output (text and code) across 12 supported languages. Designed for assistant-style interaction and visual reasoning, Scout uses 16 experts per forward pass and features a context length of 10 million tokens, with a training corpus of ~40 trillion tokens.

Built for high efficiency and local or commercial deployment, Llama 4 Scout incorporates early fusion for seamless modality integration. It is instruction-tuned for use in multilingual chat, captioning, and image understanding tasks. Released under the Llama 4 Community License, it was last trained on data up to August 2024 and launched publicly on April 5, 2025.

Meta: Llama 4 Scout

Gemini Flash 2.0 offers a significantly faster time to first token (TTFT) compared to [Gemini Flash 1.5](/google/gemini-flash-1.5), while maintaining quality on par with larger models like [Gemini Pro 1.5](/google/gemini-pro-1.5). It introduces notable enhancements in multimodal understanding, coding capabilities, complex instruction following, and function calling. These advancements come together to deliver more seamless and robust agentic experiences.

Google: Gemini 2.0 Flash

Claude 3 Haiku is Anthropic's fastest and most compact model for
near-instant responsiveness. Quick and accurate targeted performance.

See the launch announcement and benchmark results [here](https://www.anthropic.com/news/claude-3-haiku)

#multimodal

Anthropic: Claude 3 Haiku

Your prompt will be processed by a meta-model and routed to one of dozens of models (see below), optimizing for the best possible output.

To see which model was used, visit [Activity](/activity), or read the `model` attribute of the response. Your response will be priced at the same rate as the routed model.

Learn more, including how to customize the models for routing, in our [docs](/docs/guides/routing/routers/auto-router).

Requests will be routed to the following models:
- [openai/gpt-5.1](/openai/gpt-5.1)
- [openai/gpt-5](/openai/gpt-5)
- [openai/gpt-5-mini](/openai/gpt-5-mini)
- [openai/gpt-5-nano](/openai/gpt-5-nano)
- [openai/gpt-4.1](/openai/gpt-4.1)
- [openai/gpt-4.1-mini](/openai/gpt-4.1-mini)
- [openai/gpt-4.1-nano](/openai/gpt-4.1-nano)
- [openai/gpt-4o](/openai/gpt-4o)
- [openai/gpt-4o-2024-05-13](/openai/gpt-4o-2024-05-13)
- [openai/gpt-4o-2024-08-06](/openai/gpt-4o-2024-08-06)
- [openai/gpt-4o-2024-11-20](/openai/gpt-4o-2024-11-20)
- [openai/gpt-4o-mini](/openai/gpt-4o-mini)
- [openai/gpt-4o-mini-2024-07-18](/openai/gpt-4o-mini-2024-07-18)
- [openai/gpt-4-turbo](/openai/gpt-4-turbo)
- [openai/gpt-4-turbo-preview](/openai/gpt-4-turbo-preview)
- [openai/gpt-4-1106-preview](/openai/gpt-4-1106-preview)
- [openai/gpt-4](/openai/gpt-4)
- [openai/gpt-3.5-turbo](/openai/gpt-3.5-turbo)
- [openai/gpt-oss-120b](/openai/gpt-oss-120b)
- [anthropic/claude-opus-4.5](/anthropic/claude-opus-4.5)
- [anthropic/claude-opus-4.1](/anthropic/claude-opus-4.1)
- [anthropic/claude-opus-4](/anthropic/claude-opus-4)
- [anthropic/claude-sonnet-4.5](/anthropic/claude-sonnet-4.5)
- [anthropic/claude-sonnet-4](/anthropic/claude-sonnet-4)
- [anthropic/claude-3.7-sonnet](/anthropic/claude-3.7-sonnet)
- [anthropic/claude-haiku-4.5](/anthropic/claude-haiku-4.5)
- [anthropic/claude-3.5-haiku](/anthropic/claude-3.5-haiku)
- [anthropic/claude-3-haiku](/anthropic/claude-3-haiku)
- [google/gemini-3-pro-preview](/google/gemini-3-pro-preview)
- [google/gemini-2.5-pro](/google/gemini-2.5-pro)
- [google/gemini-2.0-flash-001](/google/gemini-2.0-flash-001)
- [google/gemini-2.5-flash](/google/gemini-2.5-flash)
- [mistralai/mistral-large](/mistralai/mistral-large)
- [mistralai/mistral-large-2407](/mistralai/mistral-large-2407)
- [mistralai/mistral-large-2411](/mistralai/mistral-large-2411)
- [mistralai/mistral-medium-3.1](/mistralai/mistral-medium-3.1)
- [mistralai/mistral-nemo](/mistralai/mistral-nemo)
- [mistralai/mistral-7b-instruct](/mistralai/mistral-7b-instruct)
- [mistralai/mixtral-8x7b-instruct](/mistralai/mixtral-8x7b-instruct)
- [mistralai/mixtral-8x22b-instruct](/mistralai/mixtral-8x22b-instruct)
- [mistralai/codestral-2508](/mistralai/codestral-2508)
- [x-ai/grok-4](/x-ai/grok-4)
- [x-ai/grok-3](/x-ai/grok-3)
- [x-ai/grok-3-mini](/x-ai/grok-3-mini)
- [deepseek/deepseek-r1](/deepseek/deepseek-r1)
- [meta-llama/llama-3.3-70b-instruct](/meta-llama/llama-3.3-70b-instruct)
- [meta-llama/llama-3.1-405b-instruct](/meta-llama/llama-3.1-405b-instruct)
- [meta-llama/llama-3.1-70b-instruct](/meta-llama/llama-3.1-70b-instruct)
- [meta-llama/llama-3.1-8b-instruct](/meta-llama/llama-3.1-8b-instruct)
- [meta-llama/llama-3-70b-instruct](/meta-llama/llama-3-70b-instruct)
- [meta-llama/llama-3-8b-instruct](/meta-llama/llama-3-8b-instruct)
- [qwen/qwen3-235b-a22b](/qwen/qwen3-235b-a22b)
- [qwen/qwen3-32b](/qwen/qwen3-32b)
- [qwen/qwen3-14b](/qwen/qwen3-14b)
- [cohere/command-r-plus-08-2024](/cohere/command-r-plus-08-2024)
- [cohere/command-r-08-2024](/cohere/command-r-08-2024)
- [moonshotai/kimi-k2-thinking](/moonshotai/kimi-k2-thinking)
- [perplexity/sonar](/perplexity/sonar)

Small

Highlights

Performance Analysis

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