Solar Mini 4 is cheaper than Claude Fable 5.1 at $0.05/M vs $10/M input tokens.
| Spec | Claude Fable 5.1 | Solar Mini 4 |
|---|---|---|
| Input price | $10/M tokens | $0.05/M tokens |
| Output price | $50/M tokens | $0.2/M tokens |
| Context window | 1.0M tokens | 524K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Sep 2026 |
Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: bigger model tier, bigger context window, major provider backing.
Solar Mini 4 costs 250x less per token.
Reviewing agent-written code?See a Brief PR report
Solar Mini 4 is cheaper on both: 200× input, 250× output.
Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.