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
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
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 Open weights

Hybrid-reasoning DeepSeek model with thinking and non-thinking modes

deepseek/deepseek-v3.1 2025-08-21 131.072K context $0.19/M input $0.71/M output
13 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
Reasoning Tools Open weights

Dense open Qwen model for self-hosted chat, reasoning, and coding

alibaba/qwen3-32b 2025-04-28 131.072K context $0.7/M input $2.8/M output
16 providers
Reasoning Tools JSON Open weights

Sparse MoE Qwen model with 3B active parameters for efficient chat and reasoning

alibaba/qwen3-30b-a3b 2025-04-28 131.072K context $0.08/M input $0.29/M output
10 providers
Reasoning Open weights

Classic open reasoning model for transparent math, coding, and deliberate problem solving

deepseek/deepseek-r1 2025-01-20 128K context $0.58/M input $2.319/M output
16 providers