Mistral AILeanstral 1.5
Leanstral 1.5 is a Mistral AI open-weights reasoning model, released 30 Jun 2026. It is not yet ranked: no independent benchmark results so far, only pricing and metadata.
- Blended price
- –
- Output speed
- –
- First answer
- –
- Context
- 262k
- Full answer
- –
- Cost per run
- –
- Released
- 30 Jun 2026
No independent quality benchmark results yet — only pricing and metadata.
More from Mistral AI
See also
Questions people ask
- Why does Leanstral 1.5 have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Leanstral 1.5 has 0 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- When was Leanstral 1.5 released?
- Mistral AI released Leanstral 1.5 on 30 Jun 2026.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Leanstral 1.5: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/labs-leanstral-1-5-1.