Reasoning Tools Open weights

StepFun flash lane for quick multimodal reasoning and coding assistance

stepfun/step-3.5-flash 2026-01-29 256K context $0.105/M input $0.314/M output
15 providers
Reasoning Tools JSON Open weights

Earlier Kimi frontier model for long-context agents, coding, and multimodal work

moonshotai/kimi-k2.5 2026-01-27 262.144K context $0.375/M input $2/M output
47 providers
Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output
2 providers
Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-4-fast-non-reasoning 2025-12-18 2M context $0.2/M input $0.5/M output
3 providers
Open weights

MiMo flash model for fast multimodal assistance and agent workflows

xiaomi/mimo-v2-flash 2025-12-16 262.144K context Input not listed Output not listed
7 providers
Reasoning Tools JSON

Reliable GPT generation for broad coding, writing, and tool-assisted product work

openai/gpt-5.2 2025-12-11 400K context $1.75/M input $14/M output
36 providers
Reasoning Tools JSON Open weights

Thinking Kimi model for slower research passes, planning, and hard technical questions

moonshotai/kimi-k2-thinking 2025-11-06 262.144K context $0.4/M input $2.5/M output
23 providers
Reasoning Tools

Flagship Qwen3 model for coding agents, complex reasoning, and tool use

alibaba/qwen3-max 2025-09-23 262.144K context $1.2/M input $6/M output
23 providers
Tools JSON Open weights

September 2025 Kimi K2 instruction update with a 256K context and improved agentic coding

moonshotai/kimi-k2-0905 2025-09-05 262.144K context $0.6/M input $2.5/M output
8 providers
Tools JSON

Flagship Qwen model for complex reasoning, coding, and agentic workflows

alibaba/qwen3-max-preview 2025-09-05 262.144K context $0.87/M input $3.478/M output
3 providers
Reasoning Tools

Fast Grok model for responsive chat, reasoning, and tool-assisted work

xai/grok-code-fast-1 2025-09-02 256K context $0.2/M input $1.5/M output
2 providers
Reasoning Tools JSON

Original GPT-5 workhorse for reasoning, coding, writing, and tool workflows

openai/gpt-5 2025-08-07 400K context $1.25/M input $10/M output
34 providers
Reasoning Tools JSON

Fast Gemini workhorse for multimodal apps where latency and price matter

google/gemini-2.5-flash 2025-06-17 1.04858M context $0.3/M input $2.5/M output
32 providers
Reasoning Tools JSON

Google's proven reasoning model for coding, math, and multimodal analysis

google/gemini-2.5-pro 2025-06-17 1.04858M context $1.25/M input $10/M output
31 providers
Tools

Earlier Gemini Flash workhorse for responsive multimodal apps and tool use

google/gemini-2.0-flash 2024-12-11 1.04858M context $0.1/M input $0.42/M output
3 providers