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Kimi K3.1 Pro is a multimodal reasoning model for coding, 3D creation, document analysis and multi-step tool use. It supports a 1M-token context window and text, image and video inputs. Reasoning is always enabled, with low, high and max effort levels.

Model ID

moonshotai/kimi-k3.1-pro

Discovery tier

Frontier

Context window

1,048,576 tokens

Kimi K3.1 Pro Highspeed is the faster variant of K3.1 Pro, a multimodal reasoning model for coding, 3D creation, document analysis and multi-step tool use. It supports a 1M-token context window and text, image and video inputs. Reasoning is always enabled, with low, high and max effort levels.

Model ID

moonshotai/kimi-k3.1-pro-highspeed

Discovery tier

Frontier

Context window

1,048,576 tokens

Built with Muse Spark Open. Meta's open-weight 816B-A42B model for coding and agentic workflows. Text and image input, text output, tool calling and structured output. Always reasons at low, medium, high, or xhigh effort. Custom Muse Model License and Usage Policy apply.

Model ID

meta/muse-spark-open

Discovery tier

Frontier

Context window

1,048,576 tokens

Google's Gemini 4 Argon is a flagship reasoning model for complex software engineering, mathematical and scientific problem solving, and multi-step agents. It accepts text, images, audio, video, and PDFs, with tool calling and structured outputs. Its 1,048,576-token context is shared across input, thinking, and output; synchronous output is capped at 65,536 tokens.

Model ID

google/gemini-4-argon

Discovery tier

Frontier

Context window

1,048,576 tokens

Meta's Muse Wonder is a frontier reasoning model designed for complex personal and professional agentic tasks. It accepts text, images, audio, video, and PDF documents across a one-million-token context window, supports tool calling and structured output, and always reasons before answering.

Model ID

meta/muse-wonder

Discovery tier

Frontier

Context window

1,048,576 tokens

GPT-6.1 Sol delivers near-Astra performance at a lower cost for complex coding, computer use, and professional work. It supports text and image input, tool calling, structured outputs, and reasoning from low through max.

Model ID

openai/gpt-6.1-sol

Discovery tier

Frontier

Context window

1,050,000 tokens

GPT-6.1 Sol Pro uses the same underlying model as GPT-6.1 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

Model ID

openai/gpt-6.1-sol-pro

Discovery tier

Frontier

Context window

1,050,000 tokens

Claude Sonnet 5.5 handles everyday coding, tool-based workflows, visual analysis, and polished writing with a 1M-token context window. This version skips up-front thinking and can reason between tool calls for faster responses; use Thinking for deeper planning and complex problems.

Model ID

anthropic/claude-sonnet-5.5

Discovery tier

Frontier

Context window

1,000,000 tokens

Claude Sonnet 5.5 with adaptive thinking for complex coding, multi-step tool use, visual analysis, and detailed planning. Supports a 1M-token context window and five reasoning effort levels, with stronger thinking available when a task needs it.

Model ID

anthropic/claude-sonnet-5.5:thinking

Discovery tier

Frontier

Context window

1,000,000 tokens

A low-refusal text model for authorized security research, roleplay, and creative writing. It preserves tool calling after refusal removal, supports optional reasoning, and has a 1M-token context window.

Model ID

heabsy/cyberheabsy

Discovery tier

Frontier

Context window

1,048,576 tokens

Fireworks Research reasoning model built on Kimi K3. It accepts text and images, supports tool calling and structured output, and has a 1M-token context window.

Model ID

fireworks/ember-1

Discovery tier

Frontier

Context window

1,048,576 tokens

A GLM-family collaborative generation model tuned for immersive roleplay and storytelling, with stronger narrative structure, tension, conflict, and nuanced mature themes.

Model ID

aion-labs/aion-3.5

Discovery tier

Frontier

Context window

262,144 tokens

Claude Opus 5.5 is Anthropic's flagship model for agentic coding, computer use, complex knowledge work, and long-running tasks, with improved efficiency and more natural communication.

Model ID

anthropic/claude-opus-5.5

Discovery tier

Frontier

Context window

1,000,000 tokens

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional work, reasoning, coding, and agentic workflows.

Model ID

openai/gpt-6-sol

Discovery tier

Frontier

Context window

1,050,000 tokens

GPT-6 Sol Pro uses the same underlying model as GPT-6 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

Model ID

openai/gpt-6-sol-pro

Discovery tier

Frontier

Context window

1,050,000 tokens

Grok 4.7 is SpaceXAI's flagship reasoning model for coding, long-running agentic tasks, and knowledge work. It supports text, image, and file inputs with tool calling and structured outputs. Reasoning is always active, and requests above 200k input tokens use higher long-context rates. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.

Model ID

x-ai/grok-4.7

Discovery tier

Frontier

Context window

500,000 tokens

Pareto 26.9 is an experimental multimodal composite model from Unbiased AI for research, coding, agentic workflows, and general-purpose tasks. It runs several frontier and open models for each request and returns a single selected or synthesized answer. This experimental release supports text and image input, tool calling, a 262K-token context window, and up to 131K output tokens. Its underlying model mix and behavior may change as it is evaluated. Request content may be retained for abuse prevention and security monitoring for up to 30 days, and is not used for model training without explicit

Model ID

unbiased/pareto-26.9

Discovery tier

Frontier

Context window

262,144 tokens

Sakana AI's cost-performance Fugu model uses learned multi-agent orchestration to route tasks across expert models for reasoning, coding, and tool use.

Model ID

sakana/fugu-max

Discovery tier

Frontier

Context window

1,000,000 tokens

Compatibility alias that routes to GPT 6 Astra, the latest supported GPT Astra model.

Model ID

openai/gpt-astra-latest

Discovery tier

Frontier

Context window

1,050,000 tokens

Compatibility alias that routes to GPT 6.1 Sol, the latest supported GPT Sol model.

Model ID

openai/gpt-sol-latest

Discovery tier

Frontier

Context window

1,050,000 tokens