Google / MODEL EVIDENCE

Gemini 3.8 Flash

96 benchmarks · 141 observations · 109 sources · released 2026-09-02

Scores at a glance

96 benchmarks · large dot: Gemini 3.8 Flash; small dots: closest models where reported

-8.2748.13

Gemini 3.8 Flash (High) · AA-Omniscience v1.1 · error-penalized index ↗

1 more reported result

29.55 index · Gemini 3.8 Flash (High) · AA-Omniscience · error-penalized score · Artificial Analysis ↗

AA-3D ↗966.13 Elo
572.551198.83

Gemini 3.8 Flash (High) · AA-3D · Elo ↗

35.2256.21

Gemini 3.8 Flash (High) · ITBench-AA · root-cause score ↗

6.1141.67

Gemini 3.8 Flash (High) · MLCR-AA · overall ↗

50.765.98

Gemini 3.8 Flash (High) · HealthBench · HealthBench Professional · length-adjusted ↗

1 more reported result

52.1% · Gemini 3.8 Flash · HealthBench · HealthBench Professional · length-adjusted · GPT-6 Astra launch report ↗

076

Gemini 3.8 Flash (high) · Chess Puzzles · Best score (across scorers) · % ↗

52.952.9

Gemini 3.8 Flash (medium) · LMCA · Score · % ↗

1 more reported result

51.16% · Gemini 3.8 Flash (low) · LMCA · Score · % · Epoch AI · LMCA ↗

94.9394.93

Gemini 3.8 Flash (medium) · DTBench · Accuracy · % ↗

1 more reported result

94.93% · Gemini 3.8 Flash (low) · DTBench · Accuracy · % · Epoch AI · DTBench ↗

4.3854.05

Gemini 3.8 Flash (high) · WeirdML v3 · Max performance · % ↗

Vals RSI Index ↗0.29 reference score
00.46

Gemini 3.8 Flash (high) · Compression · reference-anchored score ↗

3 more reported results

0.36 reference score · Gemini 3.8 Flash (high) · LM training · reference-anchored score · Vals RSI Index · LM training ↗

0.15 reference score · Gemini 3.8 Flash (high) · Harness engineering · reference-anchored score · Vals RSI Index · Harness engineering ↗

0.00 reference score · Gemini 3.8 Flash (high) · Post-training · reference-anchored score · Vals RSI Index · Post-training ↗

19.7263.57

Gemini 3.8 Flash · MedCode · Accuracy ↗

1556

Gemini 3.8 Flash · Urgent safety · share of applicable ratings marked fail ↗

2 more reported results

69% · Gemini 3.8 Flash · Health advice · share of applicable ratings marked fail · Vals AI · SAFE-Teen ↗

63% · Gemini 3.8 Flash · Relationship boundaries · share of applicable ratings marked fail · Vals AI · SAFE-Teen ↗

Closest models by score

Similar positions on shared benchmark leaderboards. Smaller gaps are closer.

22.4 percentile-point gap

60 of 82 shared benchmark comparisons

28.2 percentile-point gap

54 of 82 shared benchmark comparisons

How similarity is measured

Mean absolute gap in percentile positions on shared benchmark settings; lower is closer. At least 60% overlap is required, with a minimum of three when available. Independent evaluations are used when there are at least three; otherwise published report comparisons are used. Repeated model observations within one setting are averaged before ranking. Writing-style traits and composite indices are excluded. This describes similarity, not an overall quality ranking.

Reports featuring this model

GPT-6 Astra · OpenAI →

Sources

Every plotted observation links to its evaluation. Reported configurations, benchmark versions and task subsets can differ; similarity describes shared scores, not training lift.

  1. ARC Prize - Leaderboard ↗

    ARC Prize Foundation

  2. Arena leaderboard — WebDev evaluation ↗

    Arena

  3. AA-3D: Interactive 3D Experience Benchmark | Artificial Analysis ↗

    Artificial Analysis

  4. AA-AnalystAgent Benchmark | Artificial Analysis ↗

    Artificial Analysis

  5. AA-Briefcase v1.1: Agentic Knowledge Work Benchmark | Artificial Analysis ↗

    Artificial Analysis

  6. Artificial Analysis Intelligence Index v5.0 — Artificial Analysis ↗

    Artificial Analysis

  7. AA-LCR v1.1: Long Context Reasoning Benchmark | Artificial Analysis ↗

    Artificial Analysis

  8. AutomationBench-AA: Agentic SaaS Workflow Benchmark | Artificial Analysis ↗

    Artificial Analysis

  9. CritPt Benchmark | Artificial Analysis ↗

    Artificial Analysis

  10. CritPt v2 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  11. CritPt v2 — Hard Subset — Artificial Analysis ↗

    Artificial Analysis

  12. FrontierCode 1.1 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  13. FrontierCode 2.0 Benchmark — Artificial Analysis ↗

    Artificial Analysis

  14. GDP.pdf Benchmark | Artificial Analysis ↗

    Artificial Analysis

  15. GDPval-AA v2.1 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  16. GPQA Diamond Benchmark | Artificial Analysis ↗

    Artificial Analysis

  17. Harvey LAB-AA v1.1 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  18. HealthBench Professional Benchmark | Artificial Analysis ↗

    Artificial Analysis

  19. HLE-Diamond Benchmark — Artificial Analysis ↗

    Artificial Analysis

  20. Humanity's Last Exam Benchmark | Artificial Analysis ↗

    Artificial Analysis

  21. ITBench-AA Benchmark | Artificial Analysis ↗

    Artificial Analysis

  22. MLCR-AA: Medical Long Context Reasoning Benchmark | Artificial Analysis ↗

    Artificial Analysis

  23. MMMU-Pro Benchmark | Artificial Analysis ↗

    Artificial Analysis

  24. AA-Omniscience v1.1: Knowledge and Hallucination Benchmark — Artificial Analysis ↗

    Artificial Analysis

  25. SciCode Benchmark | Artificial Analysis ↗

    Artificial Analysis

  26. 𝜏³-Banking Benchmark | Artificial Analysis ↗

    Artificial Analysis

  27. Terminal-Bench-Science 0.1 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  28. Terminal-Bench 2.1 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  29. Terminal-Bench 4.0 Benchmark | Artificial Analysis ↗

    Artificial Analysis

  30. FrontierCode Leaderboard ↗

    Cognition

  31. DTBench — Conceptual Reasoning Index ↗

    Conceptual Reasoning Index

  32. LMCA — Conceptual Reasoning Index ↗

    Conceptual Reasoning Index

  33. Cursor · CursorBench ↗

    Cursor

  34. DeepSWE ↗

    Datacurve

  35. ARC-AGI-2 ↗

    Epoch AI

  36. Chess Puzzles ↗

    Epoch AI

  37. CritPt v1 ↗

    Epoch AI

  38. FrontierMath Erdős ↗

    Epoch AI

  39. FrontierMath Tier 4 (v2) ↗

    Epoch AI

  40. FrontierMath Tiers 1-3 (v2) ↗

    Epoch AI

  41. Furniture Assembly Benchmark ↗

    Epoch AI

  42. GPQA Diamond ↗

    Epoch AI

  43. Mystery Game Puzzles ↗

    Epoch AI

  44. OTIS Mock AIME 2024-2025 ↗

    Epoch AI

  45. SimpleQA Verified ↗

    Epoch AI

  46. Vending Bench 2 — methodology and published results ↗

    Epoch AI · 2026

  47. AI benchmarks & capabilities ↗

    Epoch AI

  48. WeirdML ↗

    Håvard Tveit Ihle

  49. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  50. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  51. DistressBench — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  52. HiL-Bench (Human-in-Loop Benchmark) — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  53. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  54. Humanity's Sixth Sense — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  55. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  56. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  57. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  58. SWE-Bench Pro V2 — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  59. SWE-Bench Pro V2 — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  60. Scale Labs — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  61. SWE Atlas - Refactoring — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  62. SWE Atlas - Test Writing — evaluation methodology and results ↗

    Scale Labs / SEAL · 2026

  63. GPT-6 Astra: A new generation of intelligence ↗

    OpenAI

  64. GDP.pdf Benchmark | Surge AI ↗

    Surge AI

  65. FrontierSWE — software engineering benchmark ↗

    FrontierSWE

  66. BioMysteryBench — evaluation methodology and results ↗

    Vals AI · 2026

  67. Code Migration v1 — evaluation methodology and results ↗

    Vals AI · 2026

  68. Code Migration — evaluation methodology and results ↗

    Vals AI · 2026

  69. CUA-bench — evaluation methodology and results ↗

    Vals AI · 2026

  70. CyberBench — evaluation methodology and results ↗

    Vals AI · 2026

  71. Excel Modeling Benchmark v1 — evaluation methodology and results ↗

    Vals AI · 2026

  72. Excel Modeling Benchmark — evaluation methodology and results ↗

    Vals AI · 2026

  73. Finance Agent v2 — evaluation methodology and results ↗

    Vals AI · 2026

  74. Finance Agent — evaluation methodology and results ↗

    Vals AI · 2026

  75. Vals Finance Index — evaluation methodology and results ↗

    Vals AI · 2026

  76. GPQA Diamond — evaluation methodology and results ↗

    Vals AI · 2026

  77. HLAB-Vals-1.1 — evaluation methodology and results ↗

    Vals AI · 2026

  78. Harvey's Legal Agent Benchmark v1 — evaluation methodology and results ↗

    Vals AI · 2026

  79. IOI — evaluation methodology and results ↗

    Vals AI · 2026

  80. LiveCodeBench — evaluation methodology and results ↗

    Vals AI · 2026

  81. LegalBench — evaluation methodology and results ↗

    Vals AI · 2026

  82. Vals Legal Index — evaluation methodology and results ↗

    Vals AI · 2026

  83. Legal Research Bench — evaluation methodology and results ↗

    Vals AI · 2026

  84. MedCode — evaluation methodology and results ↗

    Vals AI · 2026

  85. MedScribe — evaluation methodology and results ↗

    Vals AI · 2026

  86. SAFE-Teen: Teen Mental Health & Safety | Vals AI A conversation branches after the chatbot turns down a request — evaluation methodology and results ↗

    Vals AI · 2026

  87. MMLU Pro — evaluation methodology and results ↗

    Vals AI · 2026

  88. MMMU Pro — evaluation methodology and results ↗

    Vals AI · 2026

  89. MortgageTax — evaluation methodology and results ↗

    Vals AI · 2026

  90. MysteryMechanism — evaluation methodology and results ↗

    Vals AI · 2026

  91. ProgramBench — evaluation methodology and results ↗

    Vals AI · 2026

  92. ProofBench — evaluation methodology and results ↗

    Vals AI · 2026

  93. Public Benefits Bench — evaluation methodology and results ↗

    Vals AI · 2026

  94. Vals RSI Index — evaluation methodology and results ↗

    Vals AI · 2026

  95. SAGE — evaluation methodology and results ↗

    Vals AI · 2026

  96. Vals Science Index — evaluation methodology and results ↗

    Vals AI · 2026

  97. SkillsBench — evaluation methodology and results ↗

    Vals AI · 2026

  98. SRE Bench — evaluation methodology and results ↗

    Vals AI · 2026

  99. SWE-bench Verified — evaluation methodology and results ↗

    Vals AI · 2026

  100. SWE-bench Multimodal — evaluation methodology and results ↗

    Vals AI · 2026

  101. Tax Agent Bench — evaluation methodology and results ↗

    Vals AI · 2026

  102. TaxEval — evaluation methodology and results ↗

    Vals AI · 2026

  103. Terminal-Bench 4.0 — evaluation methodology and results ↗

    Vals AI · 2026

  104. Terminal-Bench-Science — evaluation methodology and results ↗

    Vals AI · 2026

  105. Time Horizon Index: KSP — evaluation methodology and results ↗

    Vals AI · 2026

  106. Vals Index — evaluation methodology and results ↗

    Vals AI · 2026

  107. Vibe Code Bench 1-100 — evaluation methodology and results ↗

    Vals AI · 2026

  108. Vibe Code Bench — evaluation methodology and results ↗

    Vals AI · 2026

  109. Surface Evolver Bench ↗

    yhenon

Names used in source tables

Gemini 3.8 Flash · Gemini 3.8 Flash (High) · Gemini 3.8 Flash (Mini-SWE-Agent) · Gemini 3.8 Flash (Mini-SWE-agent) · Gemini 3.8 Flash (OpenHands) · Gemini 3.8 Flash (high) · Gemini 3.8 Flash (low) · Gemini 3.8 Flash (medium) · Gemini 3.8 Flash (mini-swe-agent) high · Gemini-3.8-Flash (high) · gemini-3.8-flash · gemini-3.8-flash (high)