Ai2 Asta vs Odysseus AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Ai2 Asta is completely free, while Odysseus AI is paid.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Paper finding agent
- Literature summaries
- Data analysis
- Semantic Scholar corpus
- MCP access
- Source-traceable reports
- Autonomous agent runs
- Saved sources and notes
- OpenRouter BYOK
- Custom MCP tools
| Feature | Ai2 Asta | Odysseus AI |
|---|---|---|
| Best for | Free agentic research assistant for scientists from Ai2 | Private AI workspace for deep research and agent runs |
| Category | Research & search | Research & search |
| Pricing model | Free | Paid |
| Starting price | Free | $190/yr |
| Free plan | Yes, fully free | No |
| Made by | Allen Institute for AI | Odysseus AI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Ai2 Asta is completely free, while Odysseus AI is paid.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Starter
$190/yr
- 20 research reports per month
- 4 managed agent runs per month
- 25 GB workspace storage
Pro
$390/yr
- 60 research reports per month
- 14 managed agent runs per month
- 100 GB workspace storage
Max
$990/yr
- 150 research reports per month
- 33 managed agent runs per month
- 250 GB workspace storage
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Ai2 Asta
- Free and nonprofit-backed
- Large scientific corpus
- Transparent benchmarks
- Still evolving quickly
- Interface less polished than paid tools
Odysseus AI
- Reports link back to sources
- Bring your own OpenRouter key
- Steer agents while they run
- Plans show yearly prices up front
- Few agent runs on lower plans
- No free plan listed
Which one should you choose?
Choose Ai2 Asta if you want:
- Free and nonprofit-backed
- Large scientific corpus
- Transparent benchmarks
Watch out: still evolving quickly.
Choose Odysseus AI if you want:
- Reports link back to sources
- Bring your own OpenRouter key
- Steer agents while they run
Watch out: plans show yearly prices up front.
Ai2 Asta vs Odysseus AI FAQ
What is the difference between Ai2 Asta and Odysseus AI?
Ai2 Asta: Free agentic research assistant for scientists from Ai2. Odysseus AI: Private AI workspace for deep research and agent runs. Both are research & search tools.
Is Ai2 Asta or Odysseus AI cheaper?
Ai2 Asta is completely free, while Odysseus AI is paid.
Do Ai2 Asta and Odysseus AI have free plans?
Ai2 Asta: Yes, fully free. Odysseus AI: No.
Who makes Ai2 Asta?
Ai2 Asta is made by Allen Institute for AI, based in United States.
Who makes Odysseus AI?
Odysseus AI is made by Odysseus AI.
Which should I choose, Ai2 Asta or Odysseus AI?
Choose Ai2 Asta if you value free and nonprofit-backed and large scientific corpus. Choose Odysseus AI if you value reports link back to sources and bring your own openrouter key.