# Spark-X2.6-4B vs Trinity-Large-Thinking

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

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

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Spark-X2.6-4B and Trinity-Large-Thinking share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Spark-X2.6-4B has the lower published output-token price.
- Spark-X2.6-4B has the larger published context window at 1M.

## Model Snapshot

| Property | Spark-X2.6-4B | Trinity-Large-Thinking |
|----------|----------|----------|
| Creator | SparkLLM | Arcee AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 512K |
| Independent public score (not head-to-head) | 40.14 | 34.45 |
| Benchmarks Covered | 20 | 7 |
| Pricing (input/output) | $0.00 / $0.00 | $0.25 / $0.90 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)
- Trinity-Large-Thinking public-lane score: 14 (Estimated · #120/131)

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 71.8% | Coming soon | Coming soon |
| τ²-bench results | 86.9% | Coming soon | Coming soon |
| MCP Atlas | 62.4% | Coming soon | Coming soon |
| BrowseComp | 53.1% | Coming soon | Coming soon |
| HLE w/ tools | 36.9% | Coming soon | Coming soon |
| τ³-bench results | 34.7% | Coming soon | Coming soon |
| Claw-Eval | 69.9% | Coming soon | Coming soon |
| τ²-bench Airline | Coming soon | 88.0% | Coming soon |
| Gert Labs | Coming soon | 32.55% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)
- Trinity-Large-Thinking public-lane score: 17.8 (Supported · #126/152)

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 54.3% | Coming soon | Coming soon |
| SWE-bench Verified | 62.8% | Coming soon | Coming soon |
| SWE Multilingual | 64.7% | Coming soon | Coming soon |
| SciCode | 36.8% | Coming soon | Coming soon |
| SWE-bench Verified* | Coming soon | 63.2% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)
- Trinity-Large-Thinking public-lane score: 51.1 (Unranked · 2 rankable rows)

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 53.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)
- Trinity-Large-Thinking public-lane score: 34.2 (Estimated · #140/187)

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 77.1% | 76.3% | Spark-X2.6-4B |
| HLE w/o tools | 17.9% | Coming soon | Coming soon |
| GPQA | 69.9% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | Coming soon | 83.4% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)
- Trinity-Large-Thinking public-lane score: 28.9 (#133/149)

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 93.6% | Coming soon | Coming soon |
| IFBench | 75.8% | 52.3% | Spark-X2.6-4B |

### Mathematics

- Winner: Insufficient shared evidence
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)
- Trinity-Large-Thinking public-lane score: Coming soon

| Benchmark | Spark-X2.6-4B | Trinity-Large-Thinking | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 91.2% | Coming soon | Coming soon |
| HMMT Feb 2026 | 81.3% | Coming soon | Coming soon |
| IMOAnswerBench | 75.2% | Coming soon | Coming soon |
| AIME25 (Arcee) | Coming soon | 96.3% | Coming soon |

## FAQ

### Is there enough evidence to pick between Spark-X2.6-4B and Trinity-Large-Thinking?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Spark-X2.6-4B vs Trinity-Large-Preview](/compare/spark-x2-6-4b-vs-trinity-large-preview)
- [Trinity-Large-Thinking vs Trinity-Large-Preview](/compare/trinity-large-preview-vs-trinity-large-thinking)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)
- [Trinity-Large-Thinking vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-trinity-large-thinking)

## Explore More

- [Spark-X2.6-4B profile](/models/spark-x2-6-4b)
- [Trinity-Large-Thinking profile](/models/trinity-large-thinking)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)