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Gemini 3.8 Flash vs GPT-5.4
RANKED BY EPOCH CAPABILITIES INDEX (ECI)
#13 VS #14
CHECKED 28 SEPT 2026
Side by side
Verdict
Gemini 3.8 Flash ranks #13 of 20 on Epoch Capabilities Index (ECI) (157.13); GPT-5.4 ranks #14 (156.92).
Rank 13 of 20 · leads
Epoch Capabilities Index (ECI)
157.13
MakerGoogle DeepMind
Date2026
Verified—
Evidence
Epoch AI epoch_capabilities_index/eci_scores.csv (LLM Benchmark Data ZIP, fetched 2026-09-28). ECI 157.13, accessibility API access, release date 2026-09-02. Not matched in Statlyte’s dataset this run.Rank 14 of 20
Epoch Capabilities Index (ECI)
156.92
MakerOpenAI
Date2026
Verified—
Evidence
Epoch AI epoch_capabilities_index/eci_scores.csv (LLM Benchmark Data ZIP, fetched 2026-09-28). ECI 156.92, accessibility API access, release date 2026-03-05. Pricing/context via Statlyte (statlyte.com/models/openai/gpt-5-4), MIT licensed.Try another pair
More Gemini 3.8 Flash matchups
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- Gemini 3.8 Flash vs GPT-5.5 Pro
- Gemini 3.8 Flash vs GPT-5.6 Sol
- Gemini 3.8 Flash vs GPT-5.6 Terra
- Gemini 3.8 Flash vs GPT-5.5
- Gemini 3.8 Flash vs GPT-5.4 Pro
- Gemini 3.8 Flash vs Claude Opus 4.8
- Gemini 3.8 Flash vs Gemini 3.7 Flash
- Gemini 3.8 Flash vs Kimi K3
Source Ranking: Epoch AI, AI Benchmarking Hub, Epoch Capabilities Index (epoch.ai/data/benchmark_data.zip, CC BY 4.0). Per-entry pricing/context:…
Last checked 28 Sept 2026