# Inkling-Small vs Sage-A1.5

> Side-by-side benchmark comparison for Inkling-Small and Sage-A1.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/inkling-small-vs-sage-a1-5
- Last updated: October 20, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Sage-A1.5 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Sage-A1.5 has the higher overall point estimate 62.95 to 52.65. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 55 for Inkling-Small and 80.6 for Sage-A1.5.
- The biggest single benchmark swing is CritPt in Reasoning, with scores of 8.3% and 20.0%.
- Sage-A1.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Inkling-Small also has the larger context window at 1M.

## Model Snapshot

| Property | Inkling-Small | Sage-A1.5 |
|----------|----------|----------|
| Creator | Thinking Machines Lab | InternScience |
| Type | Open Weight | Open Weight |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 262K |
| Overall Score | 52.65 | 62.95 |
| Benchmarks Covered | 28 | 12 |
| Pricing (input/output) | $0.58 / $1.44 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Inkling-Small public-lane score: 36.7 (Supported · #80/132)
- Sage-A1.5 public-lane score: 57.7 (Estimated · #36/132)

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 64.7% | Coming soon | Coming soon |
| BrowseComp | 77.4% | 81.7% | Sage-A1.5 |
| MCP Atlas | 79.6% | Coming soon | Coming soon |
| Toolathlon-Verified | 54.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| GAIA | Coming soon | 95.1% | Coming soon |
| MLE-Bench Lite | Coming soon | 65.2% | Coming soon |
| HLE w/ tools | Coming soon | 55.1% | Coming soon |
| VITA-Bench | Coming soon | 45.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: Directional only
- Inkling-Small public-lane score: 37.6 (Supported · #73/153)
- Sage-A1.5 public-lane score: 54 (Estimated · #34/153)

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.2% | Coming soon | Coming soon |
| SWE-bench Pro | 55.9% | 61.2% | Sage-A1.5 |
| Terminal-Bench 2.1 | 64.7% | Coming soon | Coming soon |
| SciCode | 48.7% | 44.3% | Inkling-Small |
| LiveCodeBench (Vals) | 85.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | 82.2% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 72.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Inkling-Small public-lane score: 55 (Unranked · 4 rankable rows)
- Sage-A1.5 public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 40.1% | Coming soon | Coming soon |
| CritPt | 8.3% | 20.0% | Sage-A1.5 |
| ARC-AGI-1 | 84.00% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Inkling-Small public-lane score: 67.5 (#37/55)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 74% | Coming soon | Coming soon |
| CharXiv | 81.3% | Coming soon | Coming soon |
| CharXiv w/o tools | 77.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Inkling-Small public-lane score: 54.8 (Supported · #63/187)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.5% | Coming soon | Coming soon |
| GPQA-D | 89.5% | Coming soon | Coming soon |
| HLE | 47.8% | Coming soon | Coming soon |
| HLE w/o tools | 31.6% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 83.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.6% | Coming soon | Coming soon |
| FrontierScience Research | Coming soon | 48.3% | Coming soon |

### Instruction Following

- Winner: Inkling-Small
- Inkling-Small public-lane score: 93.3 (#10/152)
- Sage-A1.5 public-lane score: 91.9 (#22/152)

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 82.2% | 81.6% | Inkling-Small |

### Mathematics

- Winner: Not comparable
- Inkling-Small public-lane score: 69.8 (#5/12)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Inkling-Small | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.5% | Coming soon | Coming soon |
| HMMT Feb 2026 | 90.2% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 46.316% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 17.073% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Inkling-Small or Sage-A1.5?

Sage-A1.5 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Inkling-Small and Sage-A1.5?

The widest category gap is in reasoning, where the averages are 55 for Inkling-Small and 80.6 for Sage-A1.5.

### How many benchmarks does Inkling-Small cover on BenchLM?

Inkling-Small currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does Sage-A1.5 cover on BenchLM?

Sage-A1.5 currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Inkling-Small vs Inkling](/compare/inkling-vs-inkling-small)
- [Sage-A1.5 vs Inkling](/compare/inkling-vs-sage-a1-5)
- [Inkling-Small vs Sage-A1.5-F16-GGUF](/compare/inkling-small-vs-sage-a1-5-f16-gguf)
- [Sage-A1.5 vs Sage-A1.5-F16-GGUF](/compare/sage-a1-5-vs-sage-a1-5-f16-gguf)

## Explore More

- [Inkling-Small profile](/models/inkling-small)
- [Sage-A1.5 profile](/models/sage-a1-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)