$0.20 per 1M input tokens and $0.60 per 1M output tokens (cheapest host: DeepInfra).
There is no free API; the cheapest paid price is $0.20 per 1M input tokens. The weights are open, so you can run it yourself.
#272 of 334 in Chat & Knowledge, #210 of 239 in Coding, #186 of 242 in Agents & Tool Use, #134 of 195 in Writing & Language.
On AA Intelligence Index 4.3.2, Olmo 3.1 32B Instruct scores 6.5 vs 6.6 — about the same.
Through the API of DeepInfra.
66K tokens.
Released 2026-01-13. It is the current version in its line.
Yes, the weights are open (Apache-2.0 licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
No, it accepts text only.
Olmo 3.1 32B Instruct is an open-weights language model from Allen Institute for AI, released Jan 2026.
Claude Haiku 5.5 (cheaper), GPT-6 Luna (better), Qwen3.8 27B (open weights).