LLM Comparison
Leanstral 1.5 vs Olmo 3 32B Think
Side-by-side specs, pricing & capabilities
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | ||
| Family | Leanstral | Olmo |
| Status | Current | Current |
| Release Date | Jun 2026 | Nov 2025 |
| Context Window | 256K tokens | 66K tokens |
| Input Price | Free | $0.15/M tokens |
| Output Price | Free | $0.50/M tokens |
| Pricing Notes | Mistral model card lists Leanstral 1.5 price as $0. Changelog says the Labs endpoint is scheduled to retire on 2026-09-30. | — |
| Capabilities | textreasoningcodingformal-verificationtool-usestructured-output | textcode |
| Max Output | 128K tokens | 66K tokens |
| API Identifier | labs-leanstral-1-5 | allenai/olmo-3-32b-think |
| Benchmarks | ||
| AIME 2025 | — | 73.7%artificial-analysis |
| GPQA Diamond | — | 61%artificial-analysis |
| GPQA | — | 58.1%https://huggingface.co/allenai/Olmo-3-32B-Think |
| MMLU | — | 85.4%https://huggingface.co/allenai/Olmo-3-32B-Think |
| View Leanstral 1.5 | View Olmo 3 32B Think | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Leanstral 1.5Cheapest | $0.00 | $0.00 | $0.00 | — |
| Olmo 3 32B Think | $0.15 | $0.25 | $0.40 | +0% |
Mistral AI
Leanstral 1.5
Leanstral 1.5 is Mistral AI free Lean 4 formal proof-engineering model for automated theorem proving, autoformalization, and real-world code verification. Official Mistral docs list it as a Labs model with 119B total parameters, 6.5B active parameters, a 256k context window, 128k max output, $0 pricing, and the labs-leanstral-1-5 API identifier.
AllenAI
Olmo 3 32B Think
Olmo 3 32B Think is a large language model from AllenAI. Supports up to 65,536 token context window. Available from $0.15/M input tokens.
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