# Parameter tuning

  • Last-tested SillyTavern version: N/A
  • Last updated: Oct 27, 2025
  • Applicable platforms: N/A
  • External resources required: no
  • Technical skill required: none
  • Safety: perfectly safe
  • Expected time-commitment for a novice: 5 minutes

This is a collection of recommended starting-point values for working with Anthropic's Claude family of LLMs.

This guide is neither affiliated with, nor an endorsement of, any products or services.

We have a general explanation of parameters, which should be consulted if you are new.

# Claude (original)

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Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 2

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Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude Instant 1.2

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Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 2.1

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 3

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 3.5 Sonnet

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 3.5 Haiku

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 3.7 Sonnet

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 4

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude 4.1

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Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude Sonnet 4.5

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0

# Claude Haiku 4.5

Details unavailable. Please contribute.

Key Value
Temperature 0.0
Frequency Penalty 0.0
Presence Penalty 0.0
Top P 0.0