Solar Mini 4

by UpstageChat

Upstage's compact, cost-efficient model for agentic use

Context
524K tokens
Max output
131,072 tokens
Released
2026-09-22
Weights
Closed

Feed

upstage/solar-mini4 · also seen as upstage/solar-mini4:thinking, upstage/solar-mini4-20260922

Specifications

Full facts as recorded, incl. what is unknown.

Released
2026-09-22
Weights
Closed
Input
Text
Output
Text
Context window
524,288 max across endpoints
Max output
131,072
Providers
1 + 3 gateways, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
$0.10 in · $0.40 out per 1M tokens · from its one provider
More details
Last updated
2026-09-23
Knowledge cutoff
2026-02

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt caching
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Price history

Atom feed

No change since 19 Oct 2026. The cheapest direct price has been $0.10 in / $0.40 out per 1M tokens at Upstage on every data refresh since then.

Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON

Cost calculator

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Similarly priced models

Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs Solar Mini 4
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Seed 2.0 MiniByteDance Seed$0.15$0.10$0.40131K+0%
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GLiNER2-Guardrails-PII-MultiFastino Labs$0.15$0.15$0.158.2K+0%
GLiNER-2.5-DecideFastino Labs$0.15$0.15$0.158.2K+0%
GLiNER 2.5 MultiFastino Labs$0.15$0.15$0.154.1K+0%
GLiNER2 BaseFastino Labs$0.15$0.15$0.158.2K+0%
GLiNER2 LargeFastino Labs$0.15$0.15$0.158.2K+0%

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ModelReleasedContextListed price
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Solar Pro 42026-08-06524Kfrom $0.30
solar-pro32026-01131Kfrom $0.206
solar-pro22025-05-2065.5Kfrom $0.25
solar-mini2025-04-2232.8Kfrom $0.15
solar-10.7b-instruct2024-06-05128Kunpriced
solar-10-7b-instruct-v1-0——from $0.30
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model