1-bit Bonsai 4B vs Mistral Small 4

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Agentic
Coding
Multimodal & Grounded
Reasoning
Knowledge
Instruction Following
Multilingual
Mathematics

1-bit Bonsai 4B· Mistral Small 4

Quick Verdict

Pick Mistral Small 4 if you want the stronger benchmark profile. 1-bit Bonsai 4B only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Mistral Small 4 is clearly ahead on the aggregate, 64 to 44. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Mistral Small 4's sharpest advantage is in knowledge, where it averages 58.9 against 28.7. The single biggest benchmark swing on the page is GPQA, 28.7% to 45.3%.

Mistral Small 4 gives you the larger context window at 256K, compared with 32K for 1-bit Bonsai 4B.

Operational tradeoffs

PriceFree*Free*
SpeedN/A175 t/s
TTFTN/A0.64s
Context32K256K

Decision framing

BenchLM keeps the benchmark table and the operator tradeoffs on the same page so a better score does not hide a materially slower, pricier, or smaller-context model.

Runtime metrics show N/A when BenchLM does not have a sourced snapshot for that exact model. The scoring rules and freshness policy are documented on the methodology page.

Benchmark1-bit Bonsai 4BMistral Small 4
Agentic
Coming soon
Coding
HumanEval84.8%
Multimodal & Grounded
Coming soon
Reasoning
MuSR41.4%
KnowledgeMistral Small 4 wins
GPQA28.7%45.3%
MMLU-Pro66.3%
Instruction FollowingMistral Small 4 wins
IFEval69.6%82.9%
Multilingual
Coming soon
Mathematics
MATH-50065.8%
Frequently Asked Questions (3)

Which is better, 1-bit Bonsai 4B or Mistral Small 4?

Mistral Small 4 is ahead overall, 64 to 44. The biggest single separator in this matchup is GPQA, where the scores are 28.7% and 45.3%.

Which is better for knowledge tasks, 1-bit Bonsai 4B or Mistral Small 4?

Mistral Small 4 has the edge for knowledge tasks in this comparison, averaging 58.9 versus 28.7. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for instruction following, 1-bit Bonsai 4B or Mistral Small 4?

Mistral Small 4 has the edge for instruction following in this comparison, averaging 82.9 versus 69.6. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Last updated: March 31, 2026

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