Model comparison
Claude Sonnet 5 vs Interfaze Beta
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Sonnet 5 #29 (Estimated); Interfaze Beta unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Sonnet 5 and Interfaze Beta share 0 comparable benchmark results. 2 of 8 categories are comparable. 36 results are unique to Claude Sonnet 5; 10 to Interfaze Beta.
Updated July 23, 2026- Shared results
- 0
- Claude Sonnet 5 only
- 36
- Interfaze Beta only
- 10
- Comparable categories
- 2 / 8
Treat this as a split decision. Claude Sonnet 5 makes more sense if multimodal & grounded is the priority; Interfaze Beta is the better fit if knowledge is the priority or you want the cheaper token bill.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Claude Sonnet 5 and Interfaze Beta finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Claude Sonnet 5 is also the more expensive model on tokens at $2.00 input / $10.00 output per 1M tokens, versus $1.50 input / $3.50 output per 1M tokens for Interfaze Beta. That is roughly 2.9x on output cost alone.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Sonnet 5 | Interfaze Beta | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Sonnet 5$2 input / $10 output | Interfaze Beta$1.5 input / $3.5 output | Interfaze Beta has the lower combined listed price. |
| Generation speedtokens per second | Claude Sonnet 5Not available | Interfaze BetaNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Sonnet 5Not available | Interfaze BetaNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Sonnet 51M | Interfaze Beta1M | Listed context windows are equal. |
Benchmark Deep Dive
Agentic13 benchmarks
| Benchmark | Claude Sonnet 5 | Interfaze Beta | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 80.4% | — | Not comparable |
| BrowseCompSource | 84.7% | — | Not comparable |
| HLE w/ toolsSource | 57.4% | — | Not comparable |
| OSWorld-VerifiedSource | 81.2% | — | Not comparable |
| GDPval-AASource | 1607 | — | Not comparable |
| AA Agentic IndexSource | 46.7% | — | Not comparable |
| GDPval-AASource | 55.4% | — | Not comparable |
| AA BriefcaseSource | 1388 | — | Not comparable |
| AA AutomationBenchSource | 39.2% | — | Not comparable |
| AA EnterpriseOps-GymSource | 44.7% | — | Not comparable |
| AA Harvey LABSource | 90.1% | — | Not comparable |
| AA Tau3 BankingSource | 28.2% | — | Not comparable |
| aaTerminalBench21Source | 80.5% | — | Not comparable |
Coding10 benchmarks
| Benchmark | Claude Sonnet 5 | Interfaze Beta | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 85.2% | — | Not comparable |
| SWE-bench ProSource | 63.2% | — | Not comparable |
| SWE MultilingualSource | 78.3% | — | Not comparable |
| SWE MultimodalSource | 28.1% | — | Not comparable |
| Terminal-Bench 2.0Source | 80.4% | — | Not comparable |
| FrontierCode 1.1 MainSource | 42.7% | — | Not comparable |
| cursorBench32Source | 61.5% | — | Not comparable |
| AA Coding IndexSource | 71.5% | — | Not comparable |
| AA-SciCodeSource | 53.6% | — | Not comparable |
| Spider 2.0-LiteSource | — | 52.9% | Not comparable |
Reasoning2 benchmarks
KnowledgeInterfaze Beta wins11 benchmarks
| Benchmark | Claude Sonnet 5 | Interfaze Beta | Result |
|---|---|---|---|
| HLESource | 57.4% | — | Not comparable |
| HLE w/o toolsSource | 43.2% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 53.4% | — | Not comparable |
| AA-GPQA DiamondSource | 91.1% | — | Not comparable |
| AA-HLESource | 39.6% | — | Not comparable |
| AA-Omniscience IndexSource | 15.3% | — | Not comparable |
| AA-Omniscience AccuracySource | 38.3% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 37.3% | — | Not comparable |
| GPQASource | — | 89.9% | Not comparable |
| GPQA-DSource | — | 89.9% | Not comparable |
| MMMLUSource | — | 90.9% | Not comparable |
MultimodalClaude Sonnet 5 wins9 benchmarks
| Benchmark | Claude Sonnet 5 | Interfaze Beta | Result |
|---|---|---|---|
| CharXivSource | 88.3% | — | Not comparable |
| CharXiv w/o toolsSource | 77% | — | Not comparable |
| AA-MMMU-ProSource | 77.3% | — | Not comparable |
| Design Arena WebsiteSource | 1314 | — | Not comparable |
| OCRBench V2Source | — | 70.7% | Not comparable |
| olmOCRSource | — | 85.7% | Not comparable |
| RefCOCO (avg)Source | — | 82.1% | Not comparable |
| VoxPopuli WERSource | — | 2.4% | Not comparable |
| MMMU-ProSource | — | 71.1% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Claude Sonnet 5 | Interfaze Beta | Result |
|---|---|---|---|
| SOB Value AccSource | — | 79.5% | Not comparable |
Frequently Asked Questions (3)
Which is better, Claude Sonnet 5 or Interfaze Beta?
Claude Sonnet 5 and Interfaze Beta are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for knowledge tasks, Claude Sonnet 5 or Interfaze Beta?
Interfaze Beta has the edge for knowledge tasks in this comparison, averaging 89.9 versus 57.4. Claude Sonnet 5 stays close enough that the answer can still flip depending on your workload.
Which is better for multimodal and grounded tasks, Claude Sonnet 5 or Interfaze Beta?
Claude Sonnet 5 has the edge for multimodal and grounded tasks in this comparison, averaging 88.3 versus 71.1. Interfaze Beta stays close enough that the answer can still flip depending on your workload.
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