2026-09-10MODELDeepSeek-V4.1-Flash released with extreme agent memory efficiency and evaluated across VALS2026-09-03MODELGPT-6 Astra released by OpenAI - 71.7% on EMB, 63.3% on Tax Agent Bench2026-09-02MODELGoogle Gemini 3.8 Flash takes #1 rank on Finance Agent (v2) with 61.4% and 72.2% on EMB2026-09-02MODELMeta releases Muse Spark 1.3 & 1.3 Max - 59.0%-60.0% on Finance Agent (v2)2026-09-01MODELClaude Fable 5.1 leads Tax Agent Bench (77.6%) and EMB (76.7%) with 75% cheaper cache reads2026-09-11BENCHTax Agent Bench and FAB v2 benchmarks updated with latest frontier model rankings2026-09-15UPDATEPlatform updated: 43 models tracked across 41 independent benchmarks2026-09-10MODELDeepSeek-V4.1-Flash released with extreme agent memory efficiency and evaluated across VALS2026-09-03MODELGPT-6 Astra released by OpenAI - 71.7% on EMB, 63.3% on Tax Agent Bench2026-09-02MODELGoogle Gemini 3.8 Flash takes #1 rank on Finance Agent (v2) with 61.4% and 72.2% on EMB2026-09-02MODELMeta releases Muse Spark 1.3 & 1.3 Max - 59.0%-60.0% on Finance Agent (v2)2026-09-01MODELClaude Fable 5.1 leads Tax Agent Bench (77.6%) and EMB (76.7%) with 75% cheaper cache reads2026-09-11BENCHTax Agent Bench and FAB v2 benchmarks updated with latest frontier model rankings2026-09-15UPDATEPlatform updated: 43 models tracked across 41 independent benchmarks
Tier 3numerical

IOI

International Olympiad in Informatics algorithmic competitive programming tasks.

Variable tasks
8 models evaluated
Updated 2026
91.7%
Top Score
Top model
Claude Opus 5
Model Rankings
financebenchmark.ai · IOI
Anthropic
OpenAI
Anthropic
Google
OpenAI
OpenAI
Meta
Alibaba
65.3%
🥇AnthropicAnthropicClaude Opus 591.7%
🥈OpenAIOpenAIGPT-5.6 Sol86.7%
🥉AnthropicAnthropicClaude Fable 572.3%
4GoogleGoogleGemini 3.5 Flash Lite26.2%
5OpenAIOpenAIGPT-5.6 Luna72.9%
6OpenAIOpenAIGPT-5.6 Terra65.3%
7MetaMetaMuse Spark 1.249.5%
8AlibabaAlibabaQwen 3.8 MaxOPEN73.0%
Full Results Table
#ModelOverallSourceDate
🥇
AnthropicClaude Opus 5
Anthropic
91.7IOI (2026)2026-07
🥈
OpenAIGPT-5.6 Sol
OpenAI
86.7IOI (2026)2026-07
🥉
AlibabaQwen 3.8 MaxOPEN
Alibaba
73.0IOI (2026)2026-08
4
OpenAIGPT-5.6 Luna
OpenAI
72.9IOI (2026)2026-07
5
AnthropicClaude Fable 5
Anthropic
72.3IOI (2026)2026-06
6
OpenAIGPT-5.6 Terra
OpenAI
65.3IOI (2026)2026-07
7
MetaMuse Spark 1.2
Meta
49.5IOI (2026)2026-08
8
GoogleGemini 3.5 Flash Lite
Google
26.2IOI (2026)2026-07