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Octopus aecbb9a2ee feat: add MiniMax as a chat completion provider (#5452) 
* feat: add MiniMax as a chat completion provider

Add MiniMax (https://www.minimax.io) as a first-class chat completion
provider. MiniMax already has TTS integration in SillyTavern; this
extends support to LLM chat completions via their OpenAI-compatible API.

Supported models:
- MiniMax-M2.5 (default) — 204K context
- MiniMax-M2.5-highspeed — same capability, faster inference

Key implementation details:
- Reuses existing SECRET_KEYS.MINIMAX (shared with TTS)
- API endpoint: https://api.minimax.io/v1
- Temperature clamped to (0.0, 1.0] as required by MiniMax API
- Returns hardcoded model list since MiniMax doesn't expose /v1/models
- Full UI integration: model selector, sampler parameters, streaming

Co-Authored-By: octo-patch <octo-patch@users.noreply.github.com>

* feat: upgrade MiniMax default model to M2.7

- Add MiniMax-M2.7 and MiniMax-M2.7-highspeed to model list
- Set MiniMax-M2.7 as default model
- Keep all previous models as alternatives

* feat: independent request function, vision support, temp clamping for MiniMax

- Extract sendMinimaxRequest() following Chutes pattern (PR #4844)
  with function calling and JSON Schema structured output support
- Clamp temperature to (0.01, 1.0] on backend; limit frontend UI max to 1.0
- Enable image inlining for MiniMax M2.7 model
- Add MiniMax to slash-commands model selector and tokenizer mapping
- Add minimax_model to default preset

* feat: add VLM-based vision support for MiniMax M2.7

M2.7 does not natively accept image input. When images are detected
in messages, pre-process them via the MiniMax VLM endpoint
(/v1/coding_plan/vlm) to convert images to text descriptions before
sending to the chat completions API. Uses the same API key.

* feat: add M2-her model to MiniMax provider

M2-her is MiniMax's dialogue/roleplay-optimized model with 64K context
and 2048 max completion tokens. Text-only (no vision).

* feat: add MiniMax China endpoint (minimaxi.com) support

Add endpoint selector (Global/China) for MiniMax, mirroring the
SiliconFlow pattern. Users can now choose between api.minimax.io
(international) and api.minimaxi.com (China domestic).

* fix: merge consecutive same-role messages for MiniMax

MiniMax API rejects consecutive messages with the same role with
error 'invalid chat setting (2013)'. Merge them before sending.

* review: address PR feedback on MiniMax provider

Backend (src/endpoints/backends/chat-completions.js):
- Drop the entire MiniMax VLM image-preprocessing path; vision is no
  longer advertised for this provider, so M2.7 messages now go straight
  to /chat/completions without a separate VLM round-trip.
- Drop the json_schema -> response_format mapping (MiniMax does not
  document structured-output support; relying on it was speculative).
- Drop the backend temperature clamp; the same clamp now lives in the
  frontend so the wire payload matches what the user sees.
- Drop the MINIMAX branch in /status that returned a hard-coded model
  list; the frontend hardcodes the same list and bypasses /status via
  noValidateSources, so the round-trip was wasted.
- Add a streaming Transform + non-streaming helper that move
  <think>...</think> blocks from delta.content / message.content to
  reasoning_content. MiniMax M2.x emit chain-of-thought inline in
  content; without this transform the raw <think> tags leak into the
  rendered chat. Includes a state machine that holds back partial
  marker bytes so a marker split across SSE chunks is still detected.

Frontend:
- public/scripts/openai.js: add MINIMAX to noValidateSources so the key
  is accepted without a /models call; remove the dead saveModelList
  branch; clamp temperature to (0.0, 1.0] in createGenerationParameters.
- public/scripts/reasoning.js: add MINIMAX to the non-streaming
  reasoning_content extraction case (the backend transform now produces
  this field for MiniMax responses).
- public/scripts/slash-commands.js: add MINIMAX to the /api enum and
  add a MiniMax case to /api-url so users can switch endpoint by
  command.
- public/scripts/custom-request.js: pass minimax_endpoint through the
  override-payload merge alongside the other per-source endpoint fields.
- public/scripts/tokenizers.js: stop returning openai_model (which was
  always a MiniMax model id and thus an unknown tokenizer); fall back
  to gpt-3.5-turbo for a coarse but functional estimate.
- public/scripts/tool-calling.js: add MINIMAX to supportedSources so
  function-calling settings are exposed.
- public/index.html: drop the "-- Connect to the API --" placeholder
  option from the model select (the model list is hardcoded and always
  populated); remove minimax from the vision data-source attributes
  on the inline-media controls.
- public/img/minimax.svg: replace the multicolor brand SVG with a
  single-color currentColor version that matches the other provider
  icons in the connect panel.

* review: drop backend <think> parsing, defer to frontend

Per reviewer feedback: SillyTavern's reasoningHandler / reasoning_auto_parse
setting already extracts <think>...</think> blocks on the client side, so the
backend doesn't need to rewrite MiniMax responses. Removes the SSE Transform,
the non-streaming helper, and the corresponding case in reasoning.js.

* fix: remove isImageInliningSupported declaration for MINIMAX

* fix: remove MINIMAX from stream reasoning parsing

* fix: add to autoconnect logic

* fix: add missing MINIMAX models from docs

* fix: freq. and pres. pen aren't supported for MINIMAX

* fix: use clamp function for adjusting temperature

* fix: pass minimax_endpoint from connection profile to ChatCompletionService

* fix: update supported APIs in slash command documentation

* fix: replace bespoke merge with standard MERGE_TOOLS processing

* fix: add data-i18n attributes for headers

---------

Co-authored-by: octo-patch <octo-patch@users.noreply.github.com>
Co-authored-by: octo-patch <octo-patch@github.com>
Co-authored-by: Cohee <18619528+Cohee1207@users.noreply.github.com>
2026-04-24 00:43:05 +03:00

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{
"chat_completion_source": "openai",
"openai_model": "gpt-4-turbo",
"claude_model": "claude-sonnet-4-5",
"openrouter_model": "OR_Website",
"openrouter_use_fallback": false,
"openrouter_group_models": false,
"openrouter_sort_models": "alphabetically",
"ai21_model": "jamba-large",
"mistralai_model": "mistral-large-latest",
"chutes_model": "deepseek-ai/DeepSeek-V3-0324",
"chutes_sort_models": "alphabetically",
"minimax_model": "MiniMax-M2.7",
"minimax_endpoint": "global",
"electronhub_model": "gpt-4o-mini",
"electronhub_sort_models": "alphabetically",
"electronhub_group_models": false,
"custom_model": "",
"custom_url": "",
"custom_include_body": "",
"custom_exclude_body": "",
"custom_include_headers": "",
"google_model": "gemini-2.5-pro",
"vertexai_model": "gemini-2.5-pro",
"temperature": 1,
"frequency_penalty": 0,
"presence_penalty": 0,
"top_p": 1,
"top_k": 0,
"top_a": 0,
"min_p": 0,
"repetition_penalty": 1,
"openai_max_context": 4095,
"openai_max_tokens": 300,
"names_behavior": 0,
"send_if_empty": "",
"impersonation_prompt": "[Write your next reply from the point of view of {{user}}, using the chat history so far as a guideline for the writing style of {{user}}. Don't write as {{char}} or system. Don't describe actions of {{char}}.]",
"new_chat_prompt": "[Start a new Chat]",
"new_group_chat_prompt": "[Start a new group chat. Group members: {{group}}]",
"new_example_chat_prompt": "[Example Chat]",
"continue_nudge_prompt": "[Continue your last message without repeating its original content.]",
"bias_preset_selected": "Default (none)",
"reverse_proxy": "",
"proxy_password": "",
"max_context_unlocked": false,
"wi_format": "{0}",
"scenario_format": "{{scenario}}",
"personality_format": "{{personality}}",
"group_nudge_prompt": "[Write the next reply only as {{char}}.]",
"stream_openai": true,
"prompts": [
{
"name": "Main Prompt",
"system_prompt": true,
"role": "system",
"content": "Write {{char}}'s next reply in a fictional chat between {{char}} and {{user}}.",
"identifier": "main"
},
{
"name": "Auxiliary Prompt",
"system_prompt": true,
"role": "system",
"content": "",
"identifier": "nsfw"
},
{
"identifier": "dialogueExamples",
"name": "Chat Examples",
"system_prompt": true,
"marker": true
},
{
"name": "Post-History Instructions",
"system_prompt": true,
"role": "system",
"content": "",
"identifier": "jailbreak"
},
{
"identifier": "chatHistory",
"name": "Chat History",
"system_prompt": true,
"marker": true
},
{
"identifier": "worldInfoAfter",
"name": "World Info (after)",
"system_prompt": true,
"marker": true
},
{
"identifier": "worldInfoBefore",
"name": "World Info (before)",
"system_prompt": true,
"marker": true
},
{
"identifier": "enhanceDefinitions",
"role": "system",
"name": "Enhance Definitions",
"content": "If you have more knowledge of {{char}}, add to the character's lore and personality to enhance them but keep the Character Sheet's definitions absolute.",
"system_prompt": true,
"marker": false
},
{
"identifier": "charDescription",
"name": "Char Description",
"system_prompt": true,
"marker": true
},
{
"identifier": "charPersonality",
"name": "Char Personality",
"system_prompt": true,
"marker": true
},
{
"identifier": "scenario",
"name": "Scenario",
"system_prompt": true,
"marker": true
},
{
"identifier": "personaDescription",
"name": "Persona Description",
"system_prompt": true,
"marker": true
}
],
"prompt_order": [
{
"character_id": 100000,
"order": [
{
"identifier": "main",
"enabled": true
},
{
"identifier": "worldInfoBefore",
"enabled": true
},
{
"identifier": "charDescription",
"enabled": true
},
{
"identifier": "charPersonality",
"enabled": true
},
{
"identifier": "scenario",
"enabled": true
},
{
"identifier": "enhanceDefinitions",
"enabled": false
},
{
"identifier": "nsfw",
"enabled": true
},
{
"identifier": "worldInfoAfter",
"enabled": true
},
{
"identifier": "dialogueExamples",
"enabled": true
},
{
"identifier": "chatHistory",
"enabled": true
},
{
"identifier": "jailbreak",
"enabled": true
}
]
},
{
"character_id": 100001,
"order": [
{
"identifier": "main",
"enabled": true
},
{
"identifier": "worldInfoBefore",
"enabled": true
},
{
"identifier": "personaDescription",
"enabled": true
},
{
"identifier": "charDescription",
"enabled": true
},
{
"identifier": "charPersonality",
"enabled": true
},
{
"identifier": "scenario",
"enabled": true
},
{
"identifier": "enhanceDefinitions",
"enabled": false
},
{
"identifier": "nsfw",
"enabled": true
},
{
"identifier": "worldInfoAfter",
"enabled": true
},
{
"identifier": "dialogueExamples",
"enabled": true
},
{
"identifier": "chatHistory",
"enabled": true
},
{
"identifier": "jailbreak",
"enabled": true
}
]
}
],
"show_external_models": false,
"assistant_prefill": "",
"assistant_impersonation": "",
"use_sysprompt": false,
"squash_system_messages": false,
"media_inlining": true,
"bypass_status_check": false,
"continue_prefill": false,
"continue_postfix": " ",
"seed": -1,
"n": 1
}
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