Best AI models for reasoning

Top AI models for multi-step reasoning, planning, and complex problem-solving.

Reasoning-focused models shine on GPQA, MMLU, and agentic tasks that require chained logical steps.

  1. 1

    o3

    83.5Frontier
    OpenAI
    Context:
    200K
    Input:
    $2/1M
    Output:
    $8/1M
    VisionMathAgenticLong contextFrontierReasoning
  2. 2

    Grok 3

    80.1Frontier
    xAI
    Context:
    131K
    Input:
    $3/1M
    Output:
    $15/1M
    VisionMathAgenticFrontierReasoning
  3. 3

    GPT-5

    77.9Strong
    OpenAI
    Context:
    272K
    Input:
    $1.25/1M
    Output:
    $10/1M
    VisionMathAgenticLong contextReasoningCode
  4. 4

    DeepSeek R1

    76.9Strong
    DeepSeek
    Context:
    128K
    Input:
    $0.55/1M
    Output:
    $2.19/1M
    MathOpen sourceReasoning
  5. 5

    o1

    76.3Strong
    OpenAI
    Context:
    200K
    Input:
    $15/1M
    Output:
    $60/1M
    VisionMathAgenticLong contextReasoning
  6. 6

    Claude Opus 4

    75.7Strong
    Anthropic
    Context:
    200K
    Input:
    $5/1M
    Output:
    $25/1M
    VisionAgenticLong contextReasoningCode