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provider(upstage): add Solar Mini 4 - #10155
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rekram1-node merged 1 commit intoOct 18, 2026
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Upstage retires solar-mini on 2026-10-30 (KST) and names solar-mini4 as its replacement. Add the lab and first-party provider entries in the same format as solar-pro4: 512K context, 128K output, reasoning effort none..max, list price 0.10 / 0.01 cached / 0.40 per 1M tokens. Signed-off-by: YoungjuKim <[email protected]>
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Adds Upstage Solar Mini 4 (
solar-mini4, alias ofsolar-mini4-260922), following the format of #4124 (Solar Pro 4).providers/upstage/models/solar-mini4.toml— first-party host entry (Upstage is the lab), full inline likesolar-pro4.toml, withcostandreasoning_options.models/upstage/solar-mini4.toml— lab metadata, mirroringmodels/upstage/solar-pro4.toml, so third-party hosts (OpenRouter, Kilo, AI/ML API, …) can pointbase_model = "upstage/solar-mini4"at it later. This PR does not migrate those relay files.Why now: Upstage retires
solar-pro3,solar-pro2andsolar-minion 2026-10-30 (KST) and namessolar-pro4/solar-mini4as replacements (model history).solar-pro4is already here;solar-mini4is the missing replacement forsolar-mini.Specs, from the Solar Mini 4 model page and the reasoning docs, accessed 2026-10-17:
solar-pro4)reasoning_effort:none/minimal= off,low/medium/high/xhigh/max= on. Becausenoneis part of the effort list, there is no separatetoggle(per AGENTS.md).Checked against the live API (
https://api.upstage.ai/v1):GET /v1/modelssolar-mini4andsolar-mini4-260922POST /v1/chat/completionsmodel=solar-mini4model=solar-mini4-260922POST /v1/chat/completionsmodel=solar-mini4,reasoning_effort=lowPOST /v1/chat/completionsmodel=solar-pro4,reasoning_effort=fooTesting:
tomllib; keys checked againstModelMetadata/AuthoredModelinpackages/core/src/schema.tsby hand (no unknown keys,reasoning_optionspresent on the provider file,family = "solar-mini"exists infamily.ts).bun validatepasses (Bun 1.4.3, Linux x86_64,dev@ 1234cc1 with only these two files added).bun run test(run with these files plus two Solar Embedding 2 entries I plan to send separately): 550 pass, 9 fail. Unmodifieddevshows about the same number of failures in the same environment (DeepInfra, Vercel, Eden AI and snapshot tests; the failing set varied between runs), and none of the failing tests touch Upstage.Disclosure: I work at Upstage.
AI assistance: drafted with an AI coding assistant (Claude); I reviewed the files and the sources above.
🤖 Generated with Claude Code