[SambaNova] Cost not displayed for MiniMax M2.7 via SambaNova provider

[GerbenCdg]

Description

When using MiniMax M2.7 via the SambaNova provider, no cost is displayed in OpenCode. Token usage is shown but the $ cost is absent.

Provider config

"sambanova": {
  "npm": "@ai-sdk/openai-compatible",
  "name": "SambaNova",
  "options": {
    "baseURL": "https://api.sambanova.ai/v1"
  },
  "models": {
    "MiniMax-M2.7": {
      "name": "MiniMax M2.7 SambaNova"
    }
  }
}

Expected behavior

Cost should appear based on MiniMax pricing (input: $0.60/M tokens, output: $2.40/M tokens).

Actual behavior

OpenCode shows token usage but no cost line.

Likely cause

SambaNova API does not return usage.cost in its response. OpenCode relies on the API response for cost data.

Suggested fix

• Support manual cost configuration per model in opencode.json (e.g. "cost": { "input": 0.60, "output": 2.40 } per million tokens)
• Or fallback: use models.dev pricing data when API doesn't return cost

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• Cost tracking shows $0.00 for custom providers using @ai-sdk/openai-compatible even when cost fields are configured #24113: Cost tracking shows $0.00 for custom providers using @ai-sdk/openai-compatible even when cost fields are configured — same underlying problem (no cost calculated when API doesn't return cost data, using the same npm package)
• Cost tracking ($ Spent) does not work for custom provider models #17223: Cost tracking ($ Spent) does not work for custom provider models — same root cause with custom providers via @ai-sdk/openai-compatible

If your issue is distinct from these, please add details explaining how it differs.

[hholst80]

@GerbenCdg Why not raise this with the provider? Or perhaps you have? I would much rather have the cost data be sourced from the provider data itself rather than a work-for-free project like OpenCode taking any kind of semi responsibility for the size of my eventual bills. ;-)