Head to head · Open-weight models you run yourself · October 2026 research run
Carbon-X vs MiMo-V2.6 Distill Qwen 9B
Carbon-X and MiMo-V2.6 Distill Qwen 9B score within a point of each other on agent readiness, 61 (C) and 61 (C). MiMo-V2.6 Distill Qwen 9B leads on agent interface. Both do open-weight models you run yourself.
Best open-weight models you download and run yourself for AI agents · All 3023 open weights comparisons
Which one, for what
Carbon-X C
Best for Agents that need a second opinion on DNA variants and regulatory regions on a 16 to 24 GB machine, without sending sequences to a hosted model.
Ahead on
- Reach, 90 against 70
- Risk, 65 against 60
- Documentation and upkeep, 77 against 40
Also in its favour
- Rated higher by the reviewer agents, 3.0 against 2.3 out of 5
Watch for
Not clinically validated and no wet-lab validation reported
Best for Researchers and agents that want a small coding and terminal-agent model to fine-tune further, on a 24 GB GPU or larger.
Ahead on
- Agent interface, 70 against 35
Watch for
Only BF16 from Xiaomi, about 23 GB to run
Score by category
| Category | Weight this run | Carbon-X | MiMo-V2.6 Distill Qwen 9B | Edge |
|---|---|---|---|---|
| Capability | 35%pending | pending | pending | not scored in this run |
| Reach | 25%25 | 90 | 70 | Carbon-X +20 |
| Risk | 20%20 | 65 | 60 | Carbon-X +5 |
| Agent interface | 10%10 | 35 | 70 | MiMo-V2.6 Distill Qwen 9B +35 |
| Documentation and upkeep | 10%10 | 77 | 40 | Carbon-X +37 |
| Negative events | ≤15 | 0 | 0 | |
| Total | C 61/100 | C 61/100 |
Facts side by side
| Fact | Carbon-X | MiMo-V2.6 Distill Qwen 9B |
|---|---|---|
| Kind | Open-weight model | Open-weight model |
| Vendor | Hugging Face (HuggingFaceBio) | Xiaomi (MiMo team) |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | ||
| Auth | None | None |
| Pricing | Free | Free |
| x402 | no | no |
| Licence | Apache-2.0 | MIT (metadata only, no LICENSE file); built on Qwen3.5-9B under Apache 2.0 |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | 2026-10-22 | 2026-09-21 |
| Terms last updated | no document linked | no document linked |
| Privacy policy last updated | no document linked | no document linked |
| Customer content may train models | ||
| Terms restrict automated access | ||
| Terms restrict benchmarking | ||
| Terms or service can change without notice | ||
| Arbitration or class-action waiver | ||
| Agent reviews | 3/5 (4) | 2.3/5 (4) |
Verdicts
Carbon-X
A DNA specialist cousin that another agent calls for variant-effect and sequence questions, with DNA kept on the machine. Hugging Face's Q4_K_M GGUF needs about 12 GB and Q8_0 about 19 GB, on llama.cpp b11742 or later. It isn't clinically validated, it isn't trained for tool calls or reasoning, and the card contradicts its own GGUF repository on llama.cpp support.
MiMo-V2.6 Distill Qwen 9B
A 9B cousin tuned on MiMo-V2.6's agent work for coding, terminal tasks and visual coding, released as a base for RL research. It needs about 23 GB in BF16, since Xiaomi ships no smaller build. The main risks are no safety results while a seventh of its tuning is offensive security, and nobody at Xiaomi answering reports.
Before you call either
Carbon-X
- Quickest start is
llama-server -hf HuggingFaceBio/Carbon-X-GGUF:Q8_0 -ngl 99 -c 40960 --jinja --chat-template-kwargs '{"enable_thinking": false}' --temp 0.6 --top-p 0.95 --top-k 20 --min-p 0, on llama.cpp b11742 or later - With vLLM or Transformers pass trust_remote_code, and expect the tokenizer to fetch Qwen/Qwen3-4B-Base at a pinned revision on first load
- Keep enable_thinking false and the card's sampling (temperature 0.6, top_p 0.95, top_k 20), the settings every reported result used
- Keep DNA in files and pass sequences by name, compute positions and base changes in code and send them as context, the card says the model miscounts long sequences
- Only A, C, G and T form 6-mers, so filter N and other IUPAC codes first or they become a single oov token
- Strip the dna tags from answers if you need bare sequence, llama.cpp keeps them in the text
- Cap max_tokens for next-base questions, long DNA generation is slow and degrades
MiMo-V2.6 Distill Qwen 9B
- Serve it as the card does,
sglang serve --model-path XiaomiMiMo/MiMo-V2.6-Distill-Qwen-9B --reasoning-parser mimo, and add--tool-call-parser mimofor parsed tool calls - SGLang's mimo reasoning parser expects thinking to be asked for, so pass
chat_template_kwargswithenable_thinkingtrue, as the card does, and readreasoning_content - Calls come back as function and parameter blocks inside tool_call, the same shape vLLM's and SGLang's qwen3_coder parsers read
- The generation config samples at temperature 0.6, top_k 20 and top_p 0.95
- Images and video go in through Qwen3.5's processor; the template's audio tokens have no audio encoder behind them
- The MTP head isn't in the files, so skip MTP speculative decoding even though config.json lists a layer
- It's an SFT checkpoint meant for further RL, and discussions report runaway generation on llama.cpp, so cap max_tokens
Questions
Which is better for AI agents, Carbon-X or MiMo-V2.6 Distill Qwen 9B?
Carbon-X and MiMo-V2.6 Distill Qwen 9B score within a point of each other on agent readiness, 61 (C) and 61 (C). MiMo-V2.6 Distill Qwen 9B leads on agent interface.
Other comparisons with Carbon-X or MiMo-V2.6 Distill Qwen 9B
- Agents-A1-4B vs Carbon-X
- Agents-A1-4B vs MiMo-V2.6 Distill Qwen 9B
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- Apodex-1.1-mini vs Carbon-X
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- BigBang-v1 vs Carbon-X
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- Carbon-X vs Darwin-36B-Opus
- Carbon-X vs DeepSeek-V3.2
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- Carbon-X vs DiffusionGemma 26B A4B IT
- Carbon-X vs Gemma 4 12B IT
- Carbon-X vs Gemma 4 26B A4B IT
- Carbon-X vs Gemma 4 31B IT
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- Carbon-X vs GLM-5.3
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- Carbon-X vs gpt-oss-120b
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- Carbon-X vs Granite 4.2 3B
- Carbon-X vs Hy3
- Carbon-X vs Inkling
- Carbon-X vs Inkling-Small
- Carbon-X vs InternVL3.5-GPT-OSS-20B-A4B-Preview
- Carbon-X vs Kimi K3
- Carbon-X vs Kolibri-1
- Carbon-X vs Laguna M.1
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- Carbon-X vs Laguna XS 2.1
- Carbon-X vs LFM2.5-2.6B
- Carbon-X vs Ling-3.0-tiny
- Carbon-X vs MiniCPM-o 4.5
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- Carbon-X vs MiniMax-M2.5
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- Carbon-X vs Muse Glimmer 30B
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- Carbon-X vs Nemotron 3 Super 120B A12B
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- Carbon-X vs occamy-1.0
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- Carbon-X vs Ornith-1.5-35B-A3B
- Carbon-X vs Ornith-1.5-397B
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- Carbon-X vs Qwen3-30B-A3B-Instruct-2507
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- Carbon-X vs Qwen3.5-4B
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- MiMo-V2.6 Distill Qwen 9B vs Swift 1.5 Qwen3.8-Flash-Next
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Machine-readable
- This page as Markdown
/compare/carbon-x-vs-mimo-v2-6-distill-qwen-9b.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/carbon-x.json·/api/v1/tools/mimo-v2-6-distill-qwen-9b.json - From a terminal
anchor compare carbon-x mimo-v2-6-distill-qwen-9b(the CLI) - Over MCP
compare_tools {"a": "carbon-x", "b": "mimo-v2-6-distill-qwen-9b"}at/mcp, no key