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feat: upgrade MiniMax from M2.5 to M2.7 and expand to more agents/categories

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- Upgrade minimax-m2.5 → minimax-m2.7 (latest model) across all agents and categories
- Replace minimax-m2.5-free with minimax-m2.7-highspeed (optimized speed variant)
- Expand MiniMax fallback coverage to atlas, sisyphus-junior, writing, and unspecified-low
- Add isMiniMaxModel() detection function in types.ts for model family detection
- Update all tests (58 passing) and documentation
This commit is contained in:
PR Bot
2026-03-21 01:29:53 +08:00
parent 261bbdf4dc
commit 0d52519293
12 changed files with 91 additions and 49 deletions
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docs/guide/agent-model-matching.md
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@@ -92,10 +92,10 @@ These agents do grep, search, and retrieval. They intentionally use the fastest,
| Agent | Role | Fallback Chain | Notes |
| --------------------- | ------------------ | ---------------------------------------------- | ----------------------------------------------------- |
| **Explore** | Fast codebase grep | Grok Code Fast → opencode-go/minimax-m2.5 → MiniMax Free → Haiku → GPT-5-Nano | Speed is everything. Fire 10 in parallel. |
| **Librarian** | Docs/code search | opencode-go/minimax-m2.5 → MiniMax Free → Haiku → GPT-5-Nano | Doc retrieval doesn't need deep reasoning. |
| **Multimodal Looker** | Vision/screenshots | GPT-5.4 → opencode-go/kimi-k2.5 → GLM-4.6v → GPT-5-Nano | Uses the first available multimodal-capable fallback. |
| **Sisyphus-Junior** | Category executor | Claude Sonnet → opencode-go/kimi-k2.5 → GPT-5.4 → Big Pickle | Handles delegated category tasks. Sonnet-tier default. |
| **Explore** | Fast codebase grep | Grok Code Fast → opencode-go/minimax-m2.7-highspeed → MiniMax M2.7 → Haiku → GPT-5-Nano | Speed is everything. Fire 10 in parallel. |
| **Librarian** | Docs/code search | opencode-go/minimax-m2.7 → MiniMax M2.7-highspeed → Haiku → GPT-5-Nano | Doc retrieval doesn't need deep reasoning. |
| **Multimodal Looker** | Vision/screenshots | GPT-5.4 → opencode-go/kimi-k2.5 → GLM-4.6v → GPT-5-Nano | Uses the first available multimodal-capable fallback. |
| **Sisyphus-Junior** | Category executor | Claude Sonnet → opencode-go/kimi-k2.5 → GPT-5.4 → MiniMax M2.7 → Big Pickle | Handles delegated category tasks. Sonnet-tier default. |
---
@@ -131,7 +131,8 @@ Principle-driven, explicit reasoning, deep technical capability. Best for agents
| **Gemini 3.1 Pro** | Excels at visual/frontend tasks. Different reasoning style. Default for `visual-engineering` and `artistry`. |
| **Gemini 3 Flash** | Fast. Good for doc search and light tasks. |
| **Grok Code Fast 1** | Blazing fast code grep. Default for Explore agent. |
| **MiniMax M2.5** | Fast and smart. Good for utility tasks and search/retrieval. |
| **MiniMax M2.7** | Fast and smart. Good for utility tasks and search/retrieval. Upgraded from M2.5 with better reasoning. |
| **MiniMax M2.7 Highspeed** | Ultra-fast variant. Optimized for latency-sensitive tasks like codebase grep. |
### OpenCode Go
@@ -143,11 +144,11 @@ A premium subscription tier ($10/month) that provides reliable access to Chinese
| ------------------------ | --------------------------------------------------------------------- |
| **opencode-go/kimi-k2.5** | Vision-capable, Claude-like reasoning. Used by Sisyphus, Atlas, Sisyphus-Junior, Multimodal Looker. |
| **opencode-go/glm-5** | Text-only orchestration model. Used by Oracle, Prometheus, Metis, Momus. |
| **opencode-go/minimax-m2.5** | Ultra-cheap, fast responses. Used by Librarian, Explore for utility work. |
| **opencode-go/minimax-m2.7** | Ultra-cheap, fast responses. Used by Librarian, Explore, Atlas, Sisyphus-Junior for utility work. |
**When It Gets Used:**
OpenCode Go models appear in fallback chains as intermediate options. They bridge the gap between premium Claude access and free-tier alternatives. The system tries OpenCode Go models before falling back to free tiers (MiniMax Free, Big Pickle) or GPT alternatives.
OpenCode Go models appear in fallback chains as intermediate options. They bridge the gap between premium Claude access and free-tier alternatives. The system tries OpenCode Go models before falling back to free tiers (MiniMax M2.7-highspeed, Big Pickle) or GPT alternatives.
**Go-Only Scenarios:**
@@ -155,7 +156,7 @@ Some model identifiers like `k2p5` (paid Kimi K2.5) and `glm-5` may only be avai
### About Free-Tier Fallbacks
You may see model names like `kimi-k2.5-free`, `minimax-m2.5-free`, or `big-pickle` (GLM 4.6) in the source code or logs. These are free-tier versions of the same model families, served through the OpenCode Zen provider. They exist as lower-priority entries in fallback chains.
You may see model names like `kimi-k2.5-free`, `minimax-m2.7-highspeed`, or `big-pickle` (GLM 4.6) in the source code or logs. These are free-tier or speed-optimized versions of the same model families. They exist as lower-priority entries in fallback chains.
You don't need to configure them. The system includes them so it degrades gracefully when you don't have every paid subscription. If you have the paid version, the paid version is always preferred.
@@ -171,7 +172,7 @@ When agents delegate work, they don't pick a model name — they pick a **catego
| `ultrabrain` | Maximum reasoning needed | GPT-5.4 → Gemini 3.1 Pro → Claude Opus → opencode-go/glm-5 |
| `deep` | Deep coding, complex logic | GPT-5.3 Codex → Claude Opus → Gemini 3.1 Pro |
| `artistry` | Creative, novel approaches | Gemini 3.1 Pro → Claude Opus → GPT-5.4 |
| `quick` | Simple, fast tasks | GPT-5.4 Mini → Claude Haiku → Gemini Flash → opencode-go/minimax-m2.5 → GPT-5-Nano |
| `quick` | Simple, fast tasks | GPT-5.4 Mini → Claude Haiku → Gemini Flash → opencode-go/minimax-m2.7 → GPT-5-Nano |
| `unspecified-high` | General complex work | Claude Opus → GPT-5.4 → GLM 5 → K2P5 → opencode-go/glm-5 → Kimi K2.5 |
| `unspecified-low` | General standard work | Claude Sonnet → GPT-5.3 Codex → opencode-go/kimi-k2.5 → Gemini Flash |
| `writing` | Text, docs, prose | Gemini Flash → opencode-go/kimi-k2.5 → Claude Sonnet |
docs/guide/installation.md
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@@ -69,7 +69,7 @@ Ask the user these questions to determine CLI options:
- If **no** → `--zai-coding-plan=no` (default)
7. **Do you have an OpenCode Go subscription?**
- OpenCode Go is a $10/month subscription providing access to GLM-5, Kimi K2.5, and MiniMax M2.5 models
- OpenCode Go is a $10/month subscription providing access to GLM-5, Kimi K2.5, and MiniMax M2.7 models
- If **yes** → `--opencode-go=yes`
- If **no** → `--opencode-go=no` (default)
@@ -227,7 +227,7 @@ If Z.ai is your main provider, the most important fallbacks are:
#### OpenCode Zen
OpenCode Zen provides access to `opencode/` prefixed models including `opencode/claude-opus-4-6`, `opencode/gpt-5.4`, `opencode/gpt-5.3-codex`, `opencode/gpt-5-nano`, `opencode/glm-5`, `opencode/big-pickle`, and `opencode/minimax-m2.5-free`.
OpenCode Zen provides access to `opencode/` prefixed models including `opencode/claude-opus-4-6`, `opencode/gpt-5.4`, `opencode/gpt-5.3-codex`, `opencode/gpt-5-nano`, `opencode/glm-5`, `opencode/big-pickle`, and `opencode/minimax-m2.7-highspeed`.
When OpenCode Zen is the best available provider (no native or Copilot), these models are used:
@@ -236,7 +236,7 @@ When OpenCode Zen is the best available provider (no native or Copilot), these m
| **Sisyphus** | `opencode/claude-opus-4-6` |
| **Oracle** | `opencode/gpt-5.4` |
| **Explore** | `opencode/gpt-5-nano` |
| **Librarian** | `opencode/minimax-m2.5-free` / `opencode/big-pickle` |
| **Librarian** | `opencode/minimax-m2.7-highspeed` / `opencode/big-pickle` |
##### Setup
@@ -296,8 +296,8 @@ Not all models behave the same way. Understanding which models are "similar" hel
| --------------------- | -------------------------------- | ----------------------------------------------------------- |
| **Gemini 3 Pro** | google, github-copilot, opencode | Excels at visual/frontend tasks. Different reasoning style. |
| **Gemini 3 Flash** | google, github-copilot, opencode | Fast, good for doc search and light tasks. |
| **MiniMax M2.5** | venice | Fast and smart. Good for utility tasks. |
| **MiniMax M2.5 Free** | opencode | Free-tier MiniMax. Fast for search/retrieval. |
| **MiniMax M2.7** | venice, opencode-go | Fast and smart. Good for utility tasks. Upgraded from M2.5. |
| **MiniMax M2.7 Highspeed** | opencode | Ultra-fast MiniMax variant. Optimized for latency. |
**Speed-Focused Models**:
@@ -305,7 +305,7 @@ Not all models behave the same way. Understanding which models are "similar" hel
| ----------------------- | ---------------------- | -------------- | --------------------------------------------------------------------------------------------------------------------------------------------- |
| **Grok Code Fast 1** | github-copilot, venice | Very fast | Optimized for code grep/search. Default for Explore. |
| **Claude Haiku 4.5** | anthropic, opencode | Fast | Good balance of speed and intelligence. |
| **MiniMax M2.5 (Free)** | opencode, venice | Fast | Smart for its speed class. |
| **MiniMax M2.7 Highspeed** | opencode | Very fast | Ultra-fast MiniMax variant. Smart for its speed class. |
| **GPT-5.3-codex-spark** | openai | Extremely fast | Blazing fast but compacts so aggressively that oh-my-opencode's context management doesn't work well with it. Not recommended for omo agents. |
#### What Each Agent Does and Which Model It Got
@@ -344,8 +344,8 @@ These agents do search, grep, and retrieval. They intentionally use fast, cheap
| Agent | Role | Default Chain | Design Rationale |
| --------------------- | ------------------ | ---------------------------------------------------------------------- | -------------------------------------------------------------- |
| **Explore** | Fast codebase grep | MiniMax M2.5 Free → Grok Code Fast → MiniMax M2.5 → Haiku → GPT-5-Nano | Speed is everything. Grok is blazing fast for grep. |
| **Librarian** | Docs/code search | MiniMax M2.5 Free → Gemini Flash → Big Pickle | Entirely free-tier. Doc retrieval doesn't need deep reasoning. |
| **Explore** | Fast codebase grep | Grok Code Fast → MiniMax M2.7-highspeed → MiniMax M2.7 → Haiku → GPT-5-Nano | Speed is everything. Grok is blazing fast for grep. |
| **Librarian** | Docs/code search | MiniMax M2.7 → MiniMax M2.7-highspeed → Haiku → GPT-5-Nano | Doc retrieval doesn't need deep reasoning. MiniMax is fast. |
| **Multimodal Looker** | Vision/screenshots | Kimi K2.5 → Kimi Free → Gemini Flash → GPT-5.4 → GLM-4.6v | Kimi excels at multimodal understanding. |
#### Why Different Models Need Different Prompts
docs/guide/overview.md
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@@ -221,7 +221,7 @@ You can override specific agents or categories in your config:
**Different-behavior models**:
- Gemini 3 Pro — excels at visual/frontend tasks
- MiniMax M2.5 — fast and smart for utility tasks
- MiniMax M2.7 / M2.7-highspeed — fast and smart for utility tasks
- Grok Code Fast 1 — optimized for code grep/search
See the [Agent-Model Matching Guide](./agent-model-matching.md) for complete details on which models work best for each agent, safe vs dangerous overrides, and provider priority chains.