# MiniCPM5-2B vs Spark-X2.6-4B

> Side-by-side benchmark comparison for MiniCPM5-2B and Spark-X2.6-4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/minicpm5-2b-vs-spark-x2-6-4b
- Last updated: October 20, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

MiniCPM5-2B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- MiniCPM5-2B has the higher overall point estimate 45 to 40.14. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 14.4% and 54.3%.
- Spark-X2.6-4B also has the larger context window at 1M.

## Model Snapshot

| Property | MiniCPM5-2B | Spark-X2.6-4B |
|----------|----------|----------|
| Creator | OpenBMB | SparkLLM |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 131K | 1M |
| Overall Score | null | 40.14 |
| Benchmarks Covered | 19 | 20 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 66.6% | 71.8% | Spark-X2.6-4B |
| Terminal-Bench 2.1 | 8.6% | Coming soon | Coming soon |
| τ²-bench results | Coming soon | 86.9% | Coming soon |
| MCP Atlas | Coming soon | 62.4% | Coming soon |
| BrowseComp | Coming soon | 53.1% | Coming soon |
| HLE w/ tools | Coming soon | 36.9% | Coming soon |
| τ³-bench results | Coming soon | 34.7% | Coming soon |
| Claw-Eval | Coming soon | 69.9% | Coming soon |

### Coding

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 69.1% | Coming soon | Coming soon |
| SciCode | 26.3% | 36.8% | Spark-X2.6-4B |
| SWE-bench Verified | 46.4% | 62.8% | Spark-X2.6-4B |
| SWE-bench Pro | 14.4% | 54.3% | Spark-X2.6-4B |
| Terminal-Bench 2.1 | 8.6% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 64.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 43.7% | 53.3% | Spark-X2.6-4B |

### Knowledge

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 70.8% | Coming soon | Coming soon |
| MMLU-Redux | 84.7% | Coming soon | Coming soon |
| HLE | 8.9% | Coming soon | Coming soon |
| GPQA-D | 70.2% | 77.1% | Spark-X2.6-4B |
| SuperGPQA | 40.8% | Coming soon | Coming soon |
| HLE w/o tools | Coming soon | 17.9% | Coming soon |
| GPQA | Coming soon | 69.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 66.3% | 75.8% | Spark-X2.6-4B |
| IFEval | 86.7% | 93.6% | Spark-X2.6-4B |

### Mathematics

- Winner: Not comparable
- MiniCPM5-2B public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)

| Benchmark | MiniCPM5-2B | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 86.5% | Coming soon | Coming soon |
| AIME26 | 86.5% | 91.2% | Spark-X2.6-4B |
| HMMT Feb 2026 | 63.8% | 81.3% | Spark-X2.6-4B |
| MATH-500 | 94.6% | Coming soon | Coming soon |
| IMOAnswerBench | Coming soon | 75.2% | Coming soon |

## FAQ

### Which is better overall, MiniCPM5-2B or Spark-X2.6-4B?

MiniCPM5-2B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does MiniCPM5-2B cover on BenchLM?

MiniCPM5-2B currently has 19 sourced benchmark scores on BenchLM.

### How many benchmarks does Spark-X2.6-4B cover on BenchLM?

Spark-X2.6-4B currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [MiniCPM5-2B vs MiniCPM5-1B](/compare/minicpm5-1b-vs-minicpm5-2b)
- [Spark-X2.6-4B vs MiniCPM5-1B](/compare/minicpm5-1b-vs-spark-x2-6-4b)
- [MiniCPM5-2B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-minicpm5-2b)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)

## Explore More

- [MiniCPM5-2B profile](/models/minicpm5-2b)
- [Spark-X2.6-4B profile](/models/spark-x2-6-4b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)