Research · Head-to-head
Inkling-Small vs Undermind
Inkling-Small (free, AI Score 8.5/10) vs Undermind (freemium, AI Score 7.8/10). Side-by-side pricing, features, pros and cons, and which to pick.
The verdict
Pick Inkling-Small if…
- →budget is the constraint
- →overall capability matters more than price (AI Score 8.5 vs 7.8)
- →you want our editor's pick for this category
- →your primary use case is ml research teams and infrastructure-heavy engineering orgs that need audio-plus-vision reasoning over long documents running on weights they host themselves, because the data can't go to a hosted api.
Pick Undermind if…
- →your primary use case is researchers, r&d scientists and phd students sweeping a narrow technical literature where missing one key paper means a wasted experiment, not a slightly weaker intro section.
- →you need: education
Side-by-side specs
| Spec | Inkling-Small | Undermind |
|---|---|---|
| Category | Research | Research |
| Pricing model | free | freemium |
| Headline pricing | Free open weights; Tinker hosted access — check website for current pricing | Free tier + Pro from ~$20/mo (verify current tiers on site) |
| Free tier | Yes — the weights themselves are free to download and run. Compute is the real cost. | Free tier includes a small monthly allowance of deep searches (roughly 3 as last verified) — enough to judge whether the agentic approach fits your workflow before paying. |
| AI Score | 8.5/10 | 7.8/10 |
| Best for | ML research teams and infrastructure-heavy engineering orgs that need audio-plus-vision reasoning over long documents running on weights they host themselves, because the data can't go to a hosted API. | Researchers, R&D scientists and PhD students sweeping a narrow technical literature where missing one key paper means a wasted experiment, not a slightly weaker intro section. |
| Editor's pick | ✓ Yes | — |
| Use cases | research development | research education |
| Date added | 2026-07-31 | 2026-06-27 |
Pros and cons
Inkling-Small
Research · free
Pros
- ✓Open weights on Hugging Face, so it runs fully offline for audio, documents, or code that can't leave your infrastructure
- ✓12B active of 276B total keeps per-token compute near a mid-size dense model
- ✓Audio and vision are native to the model rather than a separate encoder stage — rarer on the open shelf than text-plus-image
- ✓1M-token context handles whole codebases or long document sets in a single pass
- ✓Fine-tuning path through Tinker comes from the lab that trained the model, not a third-party reimplementation
Cons
- ×Every performance claim is still first-party — the "beats the larger Inkling" result comes from the launch post and no independent evaluation has published since
- ×"Free weights" understates cost badly: all 276B parameters must be VRAM-resident, which puts local deployment out of reach for individuals and small teams
- ×Two weeks old, so quantizations, serving-stack support and community fine-tunes are thin next to DeepSeek or Llama
- ×A raw model, not a product — no chat app, no agent harness, and no documented computer-use or video generation; agentic tool-use behaviour is untested in public
Undermind
Research · freemium
Pros
- ✓Multi-round agentic search surfaces papers that keyword ranking buries, with a vendor-published recall benchmark behind the claim
- ✓Returns every paper it read with a relevance rating, so the search is auditable and not just the summary
- ✓Reports a coverage confidence estimate — an unusual honesty signal no major rival matches
- ✓Free tier is genuinely enough to test the workflow before committing
Cons
- ×Minutes per search and tight monthly quotas make it a considered-use tool, not a daily driver
- ×Does not disclose which underlying models power the agent loop, so 'more advanced models' on paid tiers is unverifiable
- ×Narrow by design: strong on technical scientific questions, near-useless for general or non-academic research
- ×Deep-research modes now bundled free into ChatGPT, Claude and Gemini cover the easier majority of literature sweeps at no extra cost
Related comparisons
Updated 2026-08-10. Spec data sourced from official product pages and tracked in our public directory at /tools.