# LLaDA2.2-flash vs Spark-X2.6-4B

> Side-by-side benchmark comparison for LLaDA2.2-flash and Spark-X2.6-4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/llada2-2-flash-vs-spark-x2-6-4b
- Last updated: October 20, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Spark-X2.6-4B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Spark-X2.6-4B has the higher overall point estimate 40.14 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is SWE Multilingual in Coding, with scores of 25% and 64.7%.
- Spark-X2.6-4B also has the larger context window at 1M.

## Model Snapshot

| Property | LLaDA2.2-flash | Spark-X2.6-4B |
|----------|----------|----------|
| Creator | InclusionAI | SparkLLM |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Overall Score | null | 40.14 |
| Benchmarks Covered | 8 | 20 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| τ²-bench results | 80.3% | 86.9% | Spark-X2.6-4B |
| Claw-Eval | 64.2% | 69.9% | Spark-X2.6-4B |
| PinchBench | 81.7% | Coming soon | Coming soon |
| MCP Atlas | 46.2% | 62.4% | Spark-X2.6-4B |
| BFCL v4 | 60.8% | 71.8% | Spark-X2.6-4B |
| 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 |

### Coding

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 49.3% | 62.8% | Spark-X2.6-4B |
| SWE-bench Pro | 30.1% | 54.3% | Spark-X2.6-4B |
| SWE Multilingual | 25% | 64.7% | Spark-X2.6-4B |
| SciCode | Coming soon | 36.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 53.3% | Coming soon |

### Knowledge

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 77.1% | Coming soon |
| HLE w/o tools | Coming soon | 17.9% | Coming soon |
| GPQA | Coming soon | 69.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 93.6% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- LLaDA2.2-flash public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)

| Benchmark | LLaDA2.2-flash | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 91.2% | Coming soon |
| HMMT Feb 2026 | Coming soon | 81.3% | Coming soon |
| IMOAnswerBench | Coming soon | 75.2% | Coming soon |

## FAQ

### Which is better overall, LLaDA2.2-flash or Spark-X2.6-4B?

Spark-X2.6-4B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does LLaDA2.2-flash cover on BenchLM?

LLaDA2.2-flash currently has 8 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

- [LLaDA2.2-flash vs LLaDA2.2-mini](/compare/llada2-2-flash-vs-llada2-2-mini)
- [Spark-X2.6-4B vs LLaDA2.2-mini](/compare/llada2-2-mini-vs-spark-x2-6-4b)
- [LLaDA2.2-flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-llada2-2-flash)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)

## Explore More

- [LLaDA2.2-flash profile](/models/llada2-2-flash)
- [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)