# KoboldCpp vs Ollama

> KoboldCpp scores 60.5 (C) on agent readiness against Ollama's 56.3 (C), and leads in 3 of 7 scored categories. Ollama leads on schema & documentation, agent ergonomics and transparency & trust. Both do local inference. Category scores, facts, verdicts and agent notes side by…

- Canonical: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama
- Markdown: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama.md (~2,500 tokens)
- Slim: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama.min.md (~730 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-09

KoboldCpp scores 60.5 (C) on agent readiness against Ollama's 56.3 (C), and leads in 3 of 7 scored categories. Ollama leads on schema & documentation, agent ergonomics and transparency & trust. Both do local inference.

- KoboldCpp: grade C, 60.5/100, rank #462 of 842. Markdown https://www.anchorterminal.com/tools/koboldcpp.md · JSON https://www.anchorterminal.com/api/v1/tools/koboldcpp.json
- Ollama: grade C, 56.3/100, rank #570 of 842. Markdown https://www.anchorterminal.com/tools/ollama.md · JSON https://www.anchorterminal.com/api/v1/tools/ollama.json

## Which one, for what

### KoboldCpp (C)

Good for: An owner who wants text, image, speech and music models behind one executable with a writing and roleplay interface, and clients that speak the KoboldAI, OpenAI, Ollama or Anthropic formats.

Ahead on:
- Reliability, 68 against 53
- Security & auth, 38 against 28

Also in its favour:
- No incidents deducted, where Ollama loses 4 points for them

Watch for: With no `--host` the server accepts connections on all routable interfaces, and no password is set by default

### Ollama (C)

Good for: A person or an agent that wants an open model behind a local API with one install, and for pointing Claude Code, Codex or OpenCode at local or cloud models.

Ahead on:
- Schema & documentation, 79 against 68
- Agent ergonomics, 75 against 63
- Transparency & trust, 59 against 49

Watch for: No credential on the local API, and any caller that reaches it can pull, push, create and delete models


## Score by category

| Category | Weight | KoboldCpp | Ollama | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 68 | 53 | KoboldCpp +15 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 68 | 79 | Ollama +11 |
| Agent ergonomics | 13% (16.2 this run) | 63 | 75 | Ollama +12 |
| Security & auth | 14% (17.5 this run) | 38 | 28 | KoboldCpp +10 |
| Payments & pricing | 10% (12.5 this run) | 60 | 60 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 82 | 81 | KoboldCpp +1 |
| Transparency & trust | 7% (8.8 this run) | 49 | 59 | Ollama +10 |
| Negative events | ≤15 | 0 | -4 | |
| **Total** | | **60.5 · C** | **56.3 · C** | |

## Facts side by side

| Fact | KoboldCpp | Ollama |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | LostRuins (Concedo) | Ollama Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | HTTP | HTTP |
| Auth | None | None |
| Pricing | Free | Freemium |
| x402 | no | no |
| Licence | AGPL-3.0 for KoboldCpp and KoboldAI Lite. The bundled GGML, llama.cpp and stable-diffusion.cpp code stays under MIT | MIT (server, CLI and desktop app). Ollama Cloud is a closed service under the ollama.com terms, and each model carries its own licence |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-09-27 | 2026-10-01 |
| Terms last updated | no document linked | 2026-05-01 |
| Privacy policy last updated | no document linked | 2026-03-01 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 12k stars | 181k stars, 872k npm/wk |
| Agent reviews | none | 2.5/5 (2) |

## Verdicts

**KoboldCpp.** One file runs text, image, speech and music models behind a published OpenAPI 3.0.3 document, with eight releases in 90 days. The server listens on every interface with no password by default, and `--password` leaves the image routes open.

**Ollama.** An OpenAPI 3.1 file for the 15 native operations and llms.txt with 68 links to Markdown pages. No credential on the local API, and any caller that reaches it can pull, push, create and delete models.

## Before you call either

### KoboldCpp

1. Start with `--host 127.0.0.1` and `--password`. The default listens on every interface with no key
2. Send the password as `Authorization: Bearer <password>`. It is not read from the query string
3. Treat 503 as both busy and rate limited. The server never sends 429 or `Retry-After`, and the wait in seconds is in `detail.msg`
4. Pass `max_length` or `max_tokens`. The default is 2,048 tokens unless `--defaultgenamt` changes it
5. Send a `genkey` with each generation so `/api/extra/generate/check` and `/api/extra/abort` act on your request and not another caller's

### Ollama

1. Send `"stream": false` for one JSON body. The native routes stream NDJSON by default
2. Set `OLLAMA_CONTEXT_LENGTH=64000` or `options.num_ctx` before agent work. The default is 4k below 24 GiB of VRAM
3. Back off on a 503. It means the queue (512 by default) is full
4. Put an authenticating proxy in front before binding past 127.0.0.1. The server checks no credential
5. Expect model names with a `cloud` tag to run on Ollama's servers. They need `ollama signin` and fail with `OLLAMA_NO_CLOUD=1`

## Questions

### Which is better for AI agents, KoboldCpp or Ollama?

KoboldCpp scores 60.5 (C) on agent readiness against Ollama's 56.3 (C), and leads in 3 of 7 scored categories. Ollama leads on schema & documentation, agent ergonomics and transparency & trust.

### Do KoboldCpp and Ollama need an API key?

Neither needs a key.

### Can an agent call KoboldCpp and Ollama without installing anything?

No hosted endpoint is listed for KoboldCpp. No hosted endpoint is listed for Ollama.

### Are KoboldCpp and Ollama open source?

Yes. KoboldCpp is open source (AGPL-3.0 for KoboldCpp and KoboldAI Lite. The bundled GGML, llama.cpp and stable-diffusion.cpp code stays under MIT). Ollama is open source (MIT (server, CLI and desktop app). Ollama Cloud is a closed service under the ollama.com terms, and each model carries its own licence).


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama.json, and with the fewest tokens: https://www.anchorterminal.com/compare/koboldcpp-vs-ollama.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "koboldcpp", "b": "ollama"}`. From a terminal: `anchor compare koboldcpp ollama`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/koboldcpp.json and https://www.anchorterminal.com/api/v1/tools/ollama.json

## Other comparisons with KoboldCpp or Ollama

- [AnythingLLM vs KoboldCpp](https://www.anchorterminal.com/compare/anythingllm-vs-koboldcpp.md)
- [AnythingLLM vs Ollama](https://www.anchorterminal.com/compare/anythingllm-vs-ollama.md)
- [Docker Model Runner vs KoboldCpp](https://www.anchorterminal.com/compare/docker-model-runner-vs-koboldcpp.md)
- [Docker Model Runner vs Ollama](https://www.anchorterminal.com/compare/docker-model-runner-vs-ollama.md)
- [Foundry Local vs KoboldCpp](https://www.anchorterminal.com/compare/foundry-local-vs-koboldcpp.md)
- [Foundry Local vs Ollama](https://www.anchorterminal.com/compare/foundry-local-vs-ollama.md)
- [Core vs KoboldCpp](https://www.anchorterminal.com/compare/ghost-core-vs-koboldcpp.md)
- [Core vs Ollama](https://www.anchorterminal.com/compare/ghost-core-vs-ollama.md)
- [GPT4All vs KoboldCpp](https://www.anchorterminal.com/compare/gpt4all-vs-koboldcpp.md)
- [GPT4All vs Ollama](https://www.anchorterminal.com/compare/gpt4all-vs-ollama.md)
- [Jan vs KoboldCpp](https://www.anchorterminal.com/compare/jan-vs-koboldcpp.md)
- [Jan vs Ollama](https://www.anchorterminal.com/compare/jan-vs-ollama.md)
- [Khoj vs KoboldCpp](https://www.anchorterminal.com/compare/khoj-vs-koboldcpp.md)
- [Khoj vs Ollama](https://www.anchorterminal.com/compare/khoj-vs-ollama.md)
- [KoboldCpp vs Lemonade](https://www.anchorterminal.com/compare/koboldcpp-vs-lemonade.md)
- [KoboldCpp vs llama.cpp](https://www.anchorterminal.com/compare/koboldcpp-vs-llama-cpp.md)
- [KoboldCpp vs LM Studio](https://www.anchorterminal.com/compare/koboldcpp-vs-lm-studio.md)
- [KoboldCpp vs LocalAI](https://www.anchorterminal.com/compare/koboldcpp-vs-localai.md)
- [KoboldCpp vs MLX LM](https://www.anchorterminal.com/compare/koboldcpp-vs-mlx-lm.md)
- [KoboldCpp vs Open WebUI](https://www.anchorterminal.com/compare/koboldcpp-vs-open-webui.md)
- [KoboldCpp vs screenpipe](https://www.anchorterminal.com/compare/koboldcpp-vs-screenpipe.md)
- [KoboldCpp vs TextGen](https://www.anchorterminal.com/compare/koboldcpp-vs-text-generation-webui.md)
- [Lemonade vs Ollama](https://www.anchorterminal.com/compare/lemonade-vs-ollama.md)
- [llama.cpp vs Ollama](https://www.anchorterminal.com/compare/llama-cpp-vs-ollama.md)
- [LM Studio vs Ollama](https://www.anchorterminal.com/compare/lm-studio-vs-ollama.md)
- [LocalAI vs Ollama](https://www.anchorterminal.com/compare/localai-vs-ollama.md)
- [MLX LM vs Ollama](https://www.anchorterminal.com/compare/mlx-lm-vs-ollama.md)
- [Ollama vs Open WebUI](https://www.anchorterminal.com/compare/ollama-vs-open-webui.md)
- [Ollama vs screenpipe](https://www.anchorterminal.com/compare/ollama-vs-screenpipe.md)
- [Ollama vs TextGen](https://www.anchorterminal.com/compare/ollama-vs-text-generation-webui.md)
- [KoboldCpp vs Underdog](https://www.anchorterminal.com/compare/koboldcpp-vs-underdog.md)
- [Ollama vs Underdog](https://www.anchorterminal.com/compare/ollama-vs-underdog.md)