OpenAI Codex MinivsMuse Spark 1.3 Contributor
Muse Spark 1.3 Contributor is cheaper than OpenAI Codex Mini at $0.1/M vs $1.5/M input tokens.
| Spec | OpenAI Codex Mini | Muse Spark 1.3 Contributor |
|---|---|---|
| Input price | $1.5/M tokens | $0.1/M tokens |
| Output price | $6/M tokens | $0.2/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | May 2025 | Sep 2026 |
Our Verdict
Muse Spark 1.3 Contributor
OpenAI Codex MiniRunner-up
Not enough votes to call it. On the specs, Muse Spark 1.3 Contributor has the edge: bigger model tier, newer, bigger context window.
Muse Spark 1.3 Contributor costs 30x less per token.
Slight edge
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
OpenAI Codex Mini
Input
$1.50
Output
$6.00
Muse Spark 1.3 Contributor
Input
$0.10
15× cheaper
Output
$0.20
30× cheaper
Muse Spark 1.3 Contributor is cheaper on both: 15× input, 30× output.
Where to run it
1 host
OpenAI Codex Mini
No hosts listed on OpenRouter.
Muse Spark 1.3 Contributor1 host
Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.
Research
What we learned reading every model
FAQ
Common questions
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