# Agents-A1-4B vs Sage-A1.5

> Side-by-side benchmark comparison for Agents-A1-4B and Sage-A1.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/agents-a1-4b-vs-sage-a1-5
- Last updated: October 20, 2026

- Shared sourced benchmarks: 7
- 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 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is MLE-Bench Lite in Agentic, with scores of 22.7% and 65.2%.

## Model Snapshot

| Property | Agents-A1-4B | Sage-A1.5 |
|----------|----------|----------|
| Creator | InternScience | InternScience |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 262K |
| Overall Score | null | 62.95 |
| Benchmarks Covered | 11 | 12 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Agents-A1-4B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 57.7 (Estimated · #36/132)

| Benchmark | Agents-A1-4B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 66.8% | 81.7% | Sage-A1.5 |
| GAIA | 95.1% | 95.1% | Tie |
| MLE-Bench Lite | 22.7% | 65.2% | Sage-A1.5 |
| τ²-bench results | 78.2% | Coming soon | Coming soon |
| VITA-Bench | 40.3% | 45.4% | Sage-A1.5 |
| HLE w/ tools | Coming soon | 55.1% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: Not comparable
- Agents-A1-4B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 54 (Estimated · #34/153)

| Benchmark | Agents-A1-4B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| SciCode | 29.6% | 44.3% | Sage-A1.5 |
| LiveCodeBench v6 | 59.6% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 61.2% | Coming soon |
| SWE Multilingual | Coming soon | 72.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Agents-A1-4B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Agents-A1-4B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 52.1% | Coming soon | Coming soon |
| CritPt | Coming soon | 20.0% | Coming soon |

### Knowledge

- Winner: Not comparable
- Agents-A1-4B public-lane score: Coming soon
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Agents-A1-4B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierScience Research | 33.3% | 48.3% | Sage-A1.5 |

### Instruction Following

- Winner: Not comparable
- Agents-A1-4B public-lane score: Coming soon
- Sage-A1.5 public-lane score: 91.9 (#22/152)

| Benchmark | Agents-A1-4B | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 69.1% | 81.6% | Sage-A1.5 |
| IFEval | 94.8% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Agents-A1-4B or Sage-A1.5?

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

### How many benchmarks does Agents-A1-4B cover on BenchLM?

Agents-A1-4B currently has 11 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

- [Agents-A1-4B vs Agents-A1](/compare/agents-a1-vs-agents-a1-4b)
- [Sage-A1.5 vs Agents-A1](/compare/agents-a1-vs-sage-a1-5)
- [Agents-A1-4B vs Agents-A1-F16-GGUF](/compare/agents-a1-4b-vs-agents-a1-f16-gguf)
- [Sage-A1.5 vs Agents-A1-F16-GGUF](/compare/agents-a1-f16-gguf-vs-sage-a1-5)

## Explore More

- [Agents-A1-4B profile](/models/agents-a1-4b)
- [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)