# GPT-6 Astra vs Inkling 2 Small

> Side-by-side benchmark comparison for GPT-6 Astra and Inkling 2 Small across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-astra-vs-inkling-2-small
- Last updated: November 7, 2026

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

## Quick Verdict

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

## Summary

- GPT-6 Astra has the higher overall point estimate 85.8 to 59.06. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 85.5 for GPT-6 Astra and 60.4 for Inkling 2 Small.
- The biggest single benchmark swing is ScreenSpot Pro in Multimodal & Grounded, with scores of 92.7% and 83.8%.
- Inkling 2 Small is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GPT-6 Astra also has the larger context window at 1.05M.

## Model Snapshot

| Property | GPT-6 Astra | Inkling 2 Small |
|----------|----------|----------|
| Creator | OpenAI | Thinking Machines Lab |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Hybrid |
| Context | 1.05M | 1M |
| Overall Score | 85.8 | 59.06 |
| Benchmarks Covered | 49 | 25 |
| Pricing (input/output) | $10.00 / $50.00 | $0.30 / $1.00 |

## Category Breakdown

### Agentic

- Winner: GPT-6 Astra
- GPT-6 Astra public-lane score: 73.3 (Supported · #8/131)
- Inkling 2 Small public-lane score: 59.9 (Supported · #26/131)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| LifeVal | 80.6% | Coming soon | Coming soon |
| BrowseComp | 91.5% | 90.2% | GPT-6 Astra |
| OSWorld 2.0 | 72.6% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 57.90% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 64.6% | Coming soon | Coming soon |
| ExploitGym | 42.4% | Coming soon | Coming soon |
| Agents' Last Exam | 59.3% | Coming soon | Coming soon |
| AutomationBench | 41.4% | Coming soon | Coming soon |
| HLE w/ tools | 57.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 87.3% | Coming soon | Coming soon |
| ApprenticeBench | 68% | Coming soon | Coming soon |
| CWE-bench v1 | 68.0% | Coming soon | Coming soon |
| Hermes Index | 56.3% | Coming soon | Coming soon |
| Hermes Bench | 73.7% | Coming soon | Coming soon |
| MazeBench | 23% | Coming soon | Coming soon |
| OSWorld 2.1 | 75.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 85.1% | Coming soon |
| DeepSearchQA | Coming soon | 90.9% | Coming soon |
| MCP Atlas | Coming soon | 85% | Coming soon |
| JobBench | Coming soon | 70.5% | Coming soon |

### Coding

- Winner: GPT-6 Astra
- GPT-6 Astra public-lane score: 74.8 (Supported · #5/157)
- Inkling 2 Small public-lane score: 59.7 (Supported · #20/157)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| ScarfBench | 65.4% | Coming soon | Coming soon |
| DeepSWE | 74.1% | 72.1% | GPT-6 Astra |
| FrontierCode 1.1 Main | 53.3% | Coming soon | Coming soon |
| FrontierCode 1.1 Extended | 64.5% | Coming soon | Coming soon |
| FrontierSWE v2 | 65.5% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 44.3% | Coming soon | Coming soon |
| Bug Hunt Bench | 45.0 fixes | Coming soon | Coming soon |
| FrontierCode 2.0 | 42.8% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 82.2% | Coming soon |
| SWE Multilingual | Coming soon | 81.2% | Coming soon |
| sweMarathon | Coming soon | 38.8% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 85.1% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 31.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- GPT-6 Astra public-lane score: 91.6 (#1/25)
- Inkling 2 Small public-lane score: 86.1 (Unranked · 2 rankable rows)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| BioBasicsBench | 67.0% | Coming soon | Coming soon |
| STEMBench | 2.81 | Coming soon | Coming soon |
| ARC-AGI-1 | 97.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 95% | Coming soon | Coming soon |
| ARC-AGI-3 | 62.7% | Coming soon | Coming soon |
| GeneBench-Pro | 37.8% | Coming soon | Coming soon |
| MRCR v2 256K-512K | 100.0% | Coming soon | Coming soon |
| MRCR v2 512K-1M | 96.3% | Coming soon | Coming soon |
| GraphWalks BFS 256K–1M | 71.8% | Coming soon | Coming soon |
| ARC-AGI-3 Provider Adapter | 98.55% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 70.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GPT-6 Astra public-lane score: 88 (Unranked · 3 rankable rows)
- Inkling 2 Small public-lane score: 86.6 (#12/59)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| ExtractBench Pro | 58% | Coming soon | Coming soon |
| ExtractBench (LlamaIndex) | 91.91% | Coming soon | Coming soon |
| ParseBench | 69.81% | Coming soon | Coming soon |
| ScreenSpot Pro | 92.7% | 83.8% | GPT-6 Astra |
| BenchCAD Vision2Code (tools) | 0.959 | Coming soon | Coming soon |
| CharXiv | Coming soon | 87.7% | Coming soon |
| CharXiv w/o tools | Coming soon | 85.6% | Coming soon |
| Chartography (no tools) | Coming soon | 36.7% | Coming soon |
| Chartography (tools) | Coming soon | 80.4% | Coming soon |
| BabyVision | Coming soon | 68.6% | Coming soon |
| BabyVision w/ Python | Coming soon | 93.7% | Coming soon |
| PerceptionBench | Coming soon | 64.7% | Coming soon |
| MathVision | Coming soon | 92.8% | Coming soon |

### Knowledge

- Winner: Directional only
- GPT-6 Astra public-lane score: 85.5 (Supported · #4/178)
- Inkling 2 Small public-lane score: 60.4 (Estimated · #46/178)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 96% | 93% | GPT-6 Astra |
| GPQA-D | 96.0% | 93.0% | GPT-6 Astra |
| HealthBench (raw) | 56.9% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 58.3% | Coming soon | Coming soon |
| HealthBench Professional | 64.7% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 68.2% | Coming soon | Coming soon |
| HealthBench Hard | 36.6% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- GPT-6 Astra public-lane score: Coming soon
- Inkling 2 Small public-lane score: Coming soon

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 8.5% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- GPT-6 Astra public-lane score: 93.8 (Unranked · 2 rankable rows)
- Inkling 2 Small public-lane score: 85.9 (Unranked · 2 rankable rows)

| Benchmark | GPT-6 Astra | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tier 4) | 97.600% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 93.684% | Coming soon | Coming soon |
| HMMT Feb 2026 | Coming soon | 95.8% | Coming soon |
| Apex | Coming soon | 63.5% | Coming soon |

## FAQ

### Which is better overall, GPT-6 Astra or Inkling 2 Small?

GPT-6 Astra has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GPT-6 Astra and Inkling 2 Small?

The widest category gap is in knowledge, where the averages are 85.5 for GPT-6 Astra and 60.4 for Inkling 2 Small.

### How many benchmarks does GPT-6 Astra cover on BenchLM?

GPT-6 Astra currently has 49 sourced benchmark scores on BenchLM.

### How many benchmarks does Inkling 2 Small cover on BenchLM?

Inkling 2 Small currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-6 Astra vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-gpt-6-astra)
- [Inkling 2 Small vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-inkling-2-small)
- [GPT-6 Astra vs GPT-6.1 Terra](/compare/gpt-6-1-terra-vs-gpt-6-astra)
- [Inkling 2 Small vs GPT-6.1 Terra](/compare/gpt-6-1-terra-vs-inkling-2-small)

## Explore More

- [GPT-6 Astra profile](/models/gpt-6-astra)
- [Inkling 2 Small profile](/models/inkling-2-small)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)