# Claude Opus 4.7 (Adaptive) vs Spark-X2.6-4B

> Side-by-side benchmark comparison for Claude Opus 4.7 (Adaptive) and Spark-X2.6-4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-7-adaptive-vs-spark-x2-6-4b
- Last updated: October 20, 2026

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

## Quick Verdict

Claude Opus 4.7 (Adaptive) leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Claude Opus 4.7 (Adaptive) has the higher overall point estimate 68.67 to 40.14. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 59.7 for Claude Opus 4.7 (Adaptive) and 33 for Spark-X2.6-4B.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 46.9% and 17.9%.
- Spark-X2.6-4B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B |
|----------|----------|----------|
| Creator | Anthropic | SparkLLM |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 68.67 | 40.14 |
| Benchmarks Covered | 21 | 20 |
| Pricing (input/output) | $5.00 / $25.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Opus 4.7 (Adaptive) public-lane score: 59.7 (Supported · #29/131)
- Spark-X2.6-4B public-lane score: 33 (Estimated · #89/131)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| BrowseComp | 79.3% | 53.1% | Claude Opus 4.7 (Adaptive) |
| MCP Atlas | 77.3% | 62.4% | Claude Opus 4.7 (Adaptive) |
| OSWorld-Verified | 78% | Coming soon | Coming soon |
| CyberGym | 73.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 18.2% | Coming soon | Coming soon |
| JobBench | 45.9% | Coming soon | Coming soon |
| BFCL v4 | Coming soon | 71.8% | Coming soon |
| τ²-bench results | Coming soon | 86.9% | 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: Directional only
- Claude Opus 4.7 (Adaptive) public-lane score: 55.5 (Estimated · #32/152)
- Spark-X2.6-4B public-lane score: 30.6 (Estimated · #95/152)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 87.6% | 62.8% | Claude Opus 4.7 (Adaptive) |
| SWE-bench Pro | 64.3% | 54.3% | Claude Opus 4.7 (Adaptive) |
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 64.7% | Coming soon |
| SciCode | Coming soon | 36.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.7 (Adaptive) public-lane score: 57.4 (Unranked · 3 rankable rows)
- Spark-X2.6-4B public-lane score: 48.8 (Unranked · 2 rankable rows)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 128K-256K | 59.2% | Coming soon | Coming soon |
| ARC-AGI-2 | 75.8% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.2% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 53.3% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Opus 4.7 (Adaptive) public-lane score: 53.7 (#47/55)
- Spark-X2.6-4B public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 43.6% | Coming soon | Coming soon |
| CharXiv | 91% | Coming soon | Coming soon |
| CharXiv w/o tools | 82.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.7 (Adaptive) public-lane score: 66.2 (Estimated · #30/187)
- Spark-X2.6-4B public-lane score: 43 (Estimated · #109/187)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | 69.9% | Claude Opus 4.7 (Adaptive) |
| GPQA-D | 94.2% | 77.1% | Claude Opus 4.7 (Adaptive) |
| HLE | 54.7% | Coming soon | Coming soon |
| HLE w/o tools | 46.9% | 17.9% | Claude Opus 4.7 (Adaptive) |

### Instruction Following

- Winner: Not comparable
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 78.2 (#62/149)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 93.6% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Spark-X2.6-4B public-lane score: 76.4 (Unranked · 3 rankable rows)

| Benchmark | Claude Opus 4.7 (Adaptive) | Spark-X2.6-4B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 43.8% | Coming soon | Coming soon |
| 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, Claude Opus 4.7 (Adaptive) or Spark-X2.6-4B?

Claude Opus 4.7 (Adaptive) has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Claude Opus 4.7 (Adaptive) and Spark-X2.6-4B?

The widest category gap is in agentic, where the averages are 59.7 for Claude Opus 4.7 (Adaptive) and 33 for Spark-X2.6-4B.

### How many benchmarks does Claude Opus 4.7 (Adaptive) cover on BenchLM?

Claude Opus 4.7 (Adaptive) currently has 21 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

- [Claude Opus 4.7 (Adaptive) vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Spark-X2.6-4B vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-spark-x2-6-4b)
- [Claude Opus 4.7 (Adaptive) vs Claude Opus 5.5](/compare/claude-opus-4-7-adaptive-vs-claude-opus-5-5)
- [Spark-X2.6-4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-spark-x2-6-4b)

## Explore More

- [Claude Opus 4.7 (Adaptive) profile](/models/claude-opus-4-7-adaptive)
- [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)