2026-10-20UPDATEPlatform updated: 52 models tracked across 42 independent benchmarks including CorpFin • 2026-10-20BENCHCorpFin added to benchmark suite — long credit agreement comprehension evaluations live • 2026-10-19MODELClaude Sonnet 5.5 and Opus 5.5 achieve 75.9% and 75.8% on Excel Modeling Benchmark v1.1 • 2026-10-19MODELTax Agent Bench updated: Claude Fable 5.1 (49.2%) and Gemini 4 Argon (44.6%) lead corporate tax research • 2026-10-18MODELGemini 4 Argon claims #1 rank on Finance Agent (v2) with 65.4% • 2026-10-13MODELGoogle launches Gemini 4 Argon with 1M-token output limit and native multimodal reasoning • 2026-10-06MODELAnthropic completes Claude 5.5 generation with Claude Haiku 5.5, Opus 5.5, and Sonnet 5.5 • 2026-10-20UPDATEPlatform updated: 52 models tracked across 42 independent benchmarks including CorpFin • 2026-10-20BENCHCorpFin added to benchmark suite — long credit agreement comprehension evaluations live • 2026-10-19MODELClaude Sonnet 5.5 and Opus 5.5 achieve 75.9% and 75.8% on Excel Modeling Benchmark v1.1 • 2026-10-19MODELTax Agent Bench updated: Claude Fable 5.1 (49.2%) and Gemini 4 Argon (44.6%) lead corporate tax research • 2026-10-18MODELGemini 4 Argon claims #1 rank on Finance Agent (v2) with 65.4% • 2026-10-13MODELGoogle launches Gemini 4 Argon with 1M-token output limit and native multimodal reasoning • 2026-10-06MODELAnthropic completes Claude 5.5 generation with Claude Haiku 5.5, Opus 5.5, and Sonnet 5.5 •
Tier 3agentTasksnumerical

RSI Index

Recursive Self-Improvement and recursive cognitive task orchestration index.

Variable tasks
3 models evaluated
Updated 2026
30.9%
Top Score
Top model
Claude Opus 5

Model Rankings

financebenchmark.ai · RSI Index
Anthropic logo
OpenAI logo
Moonshot AI logo
22.1%
🥇Anthropic logoAnthropicClaude Opus 530.9%
🥈OpenAI logoOpenAIGPT-5.6 Sol28.4%
🥉Moonshot AI logoMoonshot AIKimi K3OPEN22.1%
Full Results Table
#ModelOverallSourceDate
🥇
Anthropic logoClaude Opus 5
Anthropic
30.9VALS (2026)2026-07
🥈
OpenAI logoGPT-5.6 Sol
OpenAI
28.4VALS (2026)2026-07
🥉
Moonshot AI logoKimi K3OPEN
Moonshot AI
22.1VALS (2026)2026-07