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Model comparison

1-bit Bonsai 1.7B vs Mellum2-12B-A2.5B-Instruct

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
N/A
No comparison
0 category wins0 category wins

Evidence parity. 1-bit Bonsai 1.7B and Mellum2-12B-A2.5B-Instruct share 0 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to 1-bit Bonsai 1.7B; 5 to Mellum2-12B-A2.5B-Instruct.

Updated July 23, 2026
Shared results
0
1-bit Bonsai 1.7B only
0
Mellum2-12B-A2.5B-Instruct only
5
Comparable categories
0 / 8

Benchmark data for 1-bit Bonsai 1.7B and Mellum2-12B-A2.5B-Instruct is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM does not have sourced benchmark coverage for 1-bit Bonsai 1.7B yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Mellum2-12B-A2.5B-Instruct has the larger context window at 128K, compared with 32K for 1-bit Bonsai 1.7B.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

Metric1-bit Bonsai 1.7BMellum2-12B-A2.5B-InstructComparison
Input / output priceUSD per 1M tokens1-bit Bonsai 1.7B$0 input / $0 outputMellum2-12B-A2.5B-InstructNot availableA complete price comparison is not available.
Generation speedtokens per second1-bit Bonsai 1.7BNot availableMellum2-12B-A2.5B-InstructNot availableA complete speed comparison is not available.
First-answer latencyseconds to first token1-bit Bonsai 1.7BNot availableMellum2-12B-A2.5B-InstructNot availableA complete latency comparison is not available.
Context windowmaximum listed tokens1-bit Bonsai 1.7B32KMellum2-12B-A2.5B-Instruct128KMellum2-12B-A2.5B-Instruct lists the larger context window.

Benchmark Deep Dive

Agentic
Benchmark1-bit Bonsai 1.7BMellum2-12B-A2.5B-InstructResult
BFCL v4Source 44.2%Not comparable
Knowledge
Benchmark1-bit Bonsai 1.7BMellum2-12B-A2.5B-InstructResult
MMLU-ReduxSource 78.1%Not comparable
GPQASource 40.9%Not comparable
GPQA-DSource 40.9%Not comparable
Inst. Following
Benchmark1-bit Bonsai 1.7BMellum2-12B-A2.5B-InstructResult
IFEvalSource 75.8%Not comparable
Frequently Asked Questions (3)

Can I compare 1-bit Bonsai 1.7B and Mellum2-12B-A2.5B-Instruct on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for 1-bit Bonsai 1.7B and Mellum2-12B-A2.5B-Instruct today?

1-bit Bonsai 1.7B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Last updated: July 23, 2026

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