Compare / head-to-head
Inkling-Smallvs
Solar Pro 3
Inkling-Small leads 1 of 1 shared benchmark. Solar Pro 3 is 2x cheaper per token. Inkling-Small has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 0
Inkling-Small leads
Cheaper per token
Solar Pro 3
2x cheaper, input + output
Larger context
Inkling-Small
1M tokens
Providers
2 providers
Thinking Machines Lab · Upstage
Inkling-Small
Thinking Machines Lab · released 2026-07-30
textvisionaudio
Solar Pro 3
Upstage · released 2026-01-26
text
Quality
Benchmark matrix
1 shared · 27 only Inkling-Small · 11 only Solar Pro 3| Benchmark | Inkling-Small | Solar Pro 3 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| IFBench | 82.2% ↗ | 73.13% ↗ | +9.1 pt | Inkling-Small |
| Only Inkling-Small reports · 27 | ||||
| SWE-bench Verified | 80.2% ↗ | not reported | — | — |
| GPQA Diamond | 88.5% ↗epoch run | not reported | — | — |
| AIME 2026 | 95.5% ↗ | not reported | — | — |
| LMArena Elo | 1405.2 ↗ | not reported | — | — |
| ARC-AGI-1 | 84% ↗ | not reported | — | — |
| ARC-AGI-2 | 40.1% ↗ | not reported | — | — |
| BrowseComp (with context management) | 77.4% ↗ | not reported | — | — |
| CharXiv RQ | 77.4% ↗ | not reported | — | — |
| CharXiv RQ (with python) | 81.3% ↗ | not reported | — | — |
| Chess Puzzles (Epoch AI run) | 18% ↗epoch run | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch run | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 46.3% ↗epoch run | not reported | — | — |
| HMMT Feb 2026 | 90.2% ↗ | not reported | — | — |
| LMArena Agent (LMArena) | -0.1033 ↗ | not reported | — | — |
| LMArena Vision (LMArena) | 1206.3 ↗ | not reported | — | — |
| LMArena WebDev (LMArena) | 1408.2 ↗ | not reported | — | — |
| MCP Atlas (all) | 79.2% ↗ | not reported | — | — |
| MMAU | 77% ↗ | not reported | — | — |
| Mystery Game Puzzles (Epoch AI run) | 6% ↗epoch run | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 90% ↗epoch run | not reported | — | — |
| SAGE (Vals AI) | 32.7% ↗ | not reported | — | — |
| SimpleQA Verified | 20.6% ↗ | not reported | — | — |
| SWE-bench Pro (public) | 55.9% ↗ | not reported | — | — |
| Terminal-Bench 2.1 (best harness) | 64.7% ↗ | not reported | — | — |
| Terminal-Bench 4.0 (Vals AI) | 0% ↗ | not reported | — | — |
| Toolathlon Verified | 54.4% ↗ | not reported | — | — |
| Toolathlon-Verified (HKUST) | 54.4% ↗ | not reported | — | — |
| Only Solar Pro 3 reports · 11 | ||||
| AIME'26 | not reported | 83% ↗ | — | — |
| Arena-hard-v2 | not reported | 74.7% ↗ | — | — |
| GPQA-Diamond | not reported | 71.92% ↗ | — | — |
| HLE | not reported | 11.91% ↗ | — | — |
| HMMT'26 | not reported | 65.91% ↗ | — | — |
| Ko-Arena-hard-v2 | not reported | 78.2% ↗ | — | — |
| LCB.v1-6 | not reported | 77.73% ↗ | — | — |
| MMLU PRO (0shot, cot) | not reported | 81.24% ↗ | — | — |
| SWE Bench | not reported | 28.57% ↗ | — | — |
| Tau2-all | not reported | 72.34% ↗ | — | — |
| Terminal Bench 2 | not reported | 10.11% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Inkling-Small minus Solar Pro 3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Inkling-Small | Solar Pro 3 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 128K tokens | Inkling-Small |
| Max output | — | — | — |
| Input price / 1M | $0.3 ↗ | $0.15 ↗ | Solar Pro 3 |
| Output price / 1M | $1.2 ↗ | $0.6 ↗ | Solar Pro 3 |
| Cached input / 1M | $0.06 ↗ | $0.015 ↗ | Solar Pro 3 |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.5 | $0.75 | Solar Pro 3 |
| Modalities | text · vision · audio | text | Inkling-Small |
| Released | 2026-07-30 | 2026-01-26 | — |
| Cited benchmark scores | 29 | 12 | — |
Reliability
Provider status
Live from /statusMore matchups
Inkling-Small vs …
Models sharing the most benchmarksMore matchups
Solar Pro 3 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Inkling-Small and Solar Pro 3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.