Model comparison
Claude Sonnet 5 vs Trinity Large Thinking
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 38.1 on the Noometry Index. Trinity Large Thinking costs 10× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.
Last verified . 22 shared benchmarks.
Arcee AISummary
- They share 22 benchmarks with published results for both. Claude Sonnet 5 scores higher in 8 categories and Trinity Large Thinking in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 5 leads 48.2 to 16.3.
- The biggest single-benchmark swing is NYT Connections (extended): 75.1% for Claude Sonnet 5 and 16.5% for Trinity Large Thinking.
- Trinity Large Thinking is cheaper at $0.25 / $0.80 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
- Claude Sonnet 5 accepts more context: 1M tokens versus 262K.
- Trinity Large Thinking has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5 | Trinity Large Thinking | |
|---|---|---|
| Provider | Anthropic | Arcee AI |
| Noometry Index | 54.5 | 38.1 |
| Released | 2026-06-29 | 2026-04-01 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 128K | 80K |
| Input $ / M tokens | $2 | $0.25 |
| Output $ / M tokens | $10 | $0.80 |
| Results tracked | 51 | 24 |
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Category by category
Coding Claude Sonnet 5 leads
Claude Sonnet 5: 55.5 (#20), Trinity Large Thinking: 33.8 (#238)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena WebDev | 1540 | 1238 |
| SciCode | 53.6% | 36.1% |
| LMArena Coding | 1483 | 1381 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| CursorBench | 34.1% | — |
| GSO | 37.3% | — |
| WeirdML | 68.8% | — |
| ALE-Bench | 1,463 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5: 42.7 (#16), Trinity Large Thinking: —
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| APEX-Agents | 54.5% | — |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |
Reasoning Claude Sonnet 5 leads
Claude Sonnet 5: 48.2 (#37), Trinity Large Thinking: 16.3 (#298)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| NYT Connections (extended) | 75.1% | 16.5% |
| CritPt | 16.9% | 0.9% |
| LMArena Hard Prompts | 1461 | 1350 |
| Surface Evolver Bench | 60% | 15.6% |
| SimpleBench | 60.6% | — |
| Chess Puzzles | 35% | — |
| Thematic Generalization | — | 41.6% |
| Mystery Game Puzzles | 35% | — |
| DTBench | 92.5% | — |
| LMCA | 50% | — |
| Bench to the Future 3 | 0.14 | — |
| Epoch Capabilities Index | 156.34 | — |
| ForecastBench | 61.1 | — |
Math Claude Sonnet 5 leads
Claude Sonnet 5: 66.1 (#21), Trinity Large Thinking: 34.9 (#149)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Math | 1467 | 1366 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| OTIS Mock AIME 2024-2025 | 94.7% | — |
| ProofBench | 77% | — |
Knowledge Claude Sonnet 5 leads
Claude Sonnet 5: 55.7 (#42), Trinity Large Thinking: 40.3 (#107)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Expert | 1491 | 1359 |
| GPQA Diamond | 90.5% | — |
| SimpleQA Verified | 33.7% | — |
| Vectara Hallucination Rate | — | 6.9% |
Multimodal Not comparable
Claude Sonnet 5: 42.4 (#26), Trinity Large Thinking: —
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Vision | 1275 | — |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |
Multilingual Claude Sonnet 5 leads
Claude Sonnet 5: 54.0 (#55), Trinity Large Thinking: 46.4 (#155)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Non-English | 1431 | 1325 |
| LMArena Chinese | 1475 | 1372 |
| LMArena French | 1457 | 1374 |
| LMArena German | 1448 | 1356 |
| LMArena Japanese | 1422 | 1312 |
| LMArena Korean | 1411 | 1304 |
| LMArena Russian | 1452 | 1338 |
| LMArena Spanish | 1436 | 1356 |
Instruction Following Claude Sonnet 5 leads
Claude Sonnet 5: 76.6 (#39), Trinity Large Thinking: 70.7 (#157)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Instruction Following | 1453 | 1334 |
Long Context Claude Sonnet 5 leads
Claude Sonnet 5: 44.8 (#53), Trinity Large Thinking: 41.2 (#139)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Longer Query | 1464 | 1355 |
Writing & Preference Claude Sonnet 5 leads
Claude Sonnet 5: 69.4 (#24), Trinity Large Thinking: 54.0 (#152)
| Benchmark | Claude Sonnet 5 | Trinity Large Thinking |
|---|---|---|
| LMArena Text | 1443 | 1340 |
| LMArena Creative Writing | 1416 | 1321 |
| LMArena Multi-Turn | 1454 | 1342 |
| EQ-Bench Creative Writing | 1794 | — |
| EQ-Bench 4 | 1236 | — |
Frequently asked questions
Is Claude Sonnet 5 better than Trinity Large Thinking?
Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 38.1 on the Noometry Index. Trinity Large Thinking costs 10× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.
Which is cheaper, Claude Sonnet 5 or Trinity Large Thinking?
Trinity Large Thinking is cheaper. It lists at $0.25 per million input tokens and $0.80 per million output tokens; Claude Sonnet 5 lists at $2 and $10.
Is Claude Sonnet 5 or Trinity Large Thinking better for coding?
Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 33.8 in the Noometry coding category.
Which has the bigger context window?
Claude Sonnet 5 does, with 1M tokens against 262K.
How many benchmarks do Claude Sonnet 5 and Trinity Large Thinking share?
22 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Trinity Large Thinking has 24.