Gemini 3.8 Flash

GoogleCurrent

Input price
$0.75
Per 1 million tokens (USD)
Output price
$3.75
Per 1 million tokens (USD)
Effort levels
3total
Default: Med
Benchmark results
22total
Benchmark types: 22

Model information

API model ID
gemini-3.8-flash
release date
2026-09-02
effort
Low / Med (default) / High
Effort source
Based on thinking level in Gemini API thinking documentation (aistudio.google.com/docs/thinking).
Claude Code
unavailable
Codex
unavailable
Availability notes
Support in Claude Code / Codex is not explicitly stated officially (Gemini API, AI Studio, Antigravity, etc. are official routes). The official model list for Claude Code / Codex (checked 2026-11-12) contains only Anthropic / OpenAI models, respectively, so both are false.
Availability source
https://aistudio.google.com/docs/models

Price (USD per 1 million tokens)

Prices do not vary by effort; token consumption does.

input$0.75
output$3.75
cache read$0.075
cache write—

Introductory price. After revision: input $1.50 / output $7.50 / cache $0.15. Cache storage changes from $0.50 to $1.00 /1M tokens/hr

Gemini 3.8 Flash gemini-3.8-flash $0.75 → $1.50 / $3.75 → $7.50 / $0.075 → $0.15

Source: https://aistudio.google.com/docs/pricing

Benchmark results

BenchmarkeffortScoreSource cost (metric)measured/reported bysourceConditions and extraction method
Terminal-Bench 4.0not statednot stated19.1%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptTerminal-bench 4.0 | 19.1%
Terminal-Bench 2.1not statednot stated89.4%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptTerminal-bench 2.1 | 89.4%
DeepSWE v1.1not statednot stated73.7%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptDeepSWE v1.1 | 73.7%
GDPval-AA v2not statednot stated1,545—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptGDPVal-AA v2 (Elo) | 1545
HLE-Verifiednot statednot stated54.9%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptHLE-Verified | 54.9%
OSWorld 2.0not statednot stated59.0%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptOSWorld-2.0 (partial score, batch tool enabled) | 59.0%
Vals Finance Agent v2not statednot stated61.4%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptVals Finance Agent v2 | 61.4%
Harvey Legal Agent Benchmarknot statednot stated10.0%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptHarvey's Legal Agent Benchmark (all pass rate) | 10.0%
LABBench 2not statednot stated86.2%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptLABBench2 | 86.2%
LVBenchnot statednot stated87.8%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not stated. agentic value (static is 87.1%)transcribed from table
Source excerptLVBench (agentic / static) | 87.8% / 87.1%
GDP.PDFnot statednot stated35.0%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptGDP.PDF (all pass rate) | 35.0%
CharXiv Reasoningnot statednot stated86.2%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptCharXiv Reasoning (no tools) | 86.2%
BioMysteryBench(Human Solvable)not statednot stated88.8%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptBioMysteryBench, Human Solvable | 88.8%
BioMysteryBench(Human Difficult)not statednot stated56.5%—GoogleGemini 3.8 Flash model cardofficial · Retrieved 2026-11-12Vendor-reported value. Self-reported by Google (model card, as of 2026-09). thinking setting not statedtranscribed from table
Source excerptBioMysteryBench, Human Difficult | 56.5%
GPQA DiamondHighHigh95.4%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, gpqa_diamond.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptgpqa_diamond.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.9539141414141414, stderr=0.01401136318210652, Started at=2026-09-02T17:15:36.000ZLocation gpqa_diamond.csv, data row 25 (file line 49), id=Br3mjs2GrYcCwX9AMwcihU, Model version=gemini-3.8-flash_high
FrontierMath Tiers 1-3(v2)HighHigh68.4%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, frontiermath_tiers_1_3_v2.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptfrontiermath_tiers_1_3_v2.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.6842105263157895, stderr=0.027582557383453006, Started at=2026-09-02T17:15:36.000ZLocation frontiermath_tiers_1_3_v2.csv, data row 21 (file line 34), id=Utgs6DuaQDDdi98ZWH22qL, Model version=gemini-3.8-flash_high
FrontierMath Tier 4(v2)HighHigh22.0%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, frontiermath_tier_4_v2.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptfrontiermath_tier_4_v2.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.21951219512195122, stderr=0.06544589202438408, Started at=2026-09-02T17:15:36.000ZLocation frontiermath_tier_4_v2.csv, data row 21 (file line 34), id=Lgy52ZT4YpFrUqqKVu2qUs, Model version=gemini-3.8-flash_high
OTIS Mock AIME 2024-2025HighHigh98.9%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, otis_mock_aime_2024_2025.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptotis_mock_aime_2024_2025.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.9888888888888889, stderr=0.008724007409153888, Started at=2026-09-02T17:15:36.000ZLocation otis_mock_aime_2024_2025.csv, data row 28 (file line 52), id=NeYuqgQyWtFWAHEjQYPm5Z, Model version=gemini-3.8-flash_high
SimpleQA VerifiedHighHigh69.7%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, simpleqa_verified.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptsimpleqa_verified.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.697, stderr=0.014539683710535193, Started at=2026-09-02T17:15:36.000ZLocation simpleqa_verified.csv, data row 25 (file line 49), id=gZ4bwozTKtpmZTqnqX3a33, Model version=gemini-3.8-flash_high
Chess Puzzles(Epoch AI)HighHigh58.0%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, chess_puzzles.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptchess_puzzles.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.58, stderr=0.04960449637488583, Started at=2026-10-13T12:39:05.000ZLocation chess_puzzles.csv, data row 163 (file line 220), id=Hpyy6CpmXmd5q7Zbdq63CR, Model version=gemini-3.8-flash_high
MirrorCodeHighHigh38.9%—Epoch AIEpoch AI, Capabilities & benchmarking (benchmark_data.zip, mirrorcode.csv) CC BY 4.0third-party · Retrieved 2026-11-12Run by Epoch AI (third-party measurement). Source label "Gemini 3.8 Flash (high)". effort is indicated by the suffix _high in Epoch's Model version. Data retrieved 2026-11-12.transcribed from table
Source excerptmirrorcode.csv: Model version=gemini-3.8-flash_high, Best score (across scorers)=0.3888888888888889, stderr=0.11915339216404011, Started at=2026-09-02T17:23:38.000ZLocation mirrorcode.csv, data row 38 (file line 58), id=Fi32v8c7rD82qhgYVcsz7g, Model version=gemini-3.8-flash_high
Epoch Capabilities Index(ECI)not statednot stated158.79—Epoch AIEpoch AI, epoch_capabilities_index/eci_scores.csv (CC BY 4.0)third-party · Retrieved 2026-11-12A per-model metric that combines results across multiple benchmarks and multiple efforts (not per effort). Calculated by Epoch AI.transcribed from table
Source excerpteci_scores.csv: Model=Gemini 3.8 Flash, eci=158.79, eci_ci_low=156.77, eci_ci_high=160.94Location epoch_capabilities_index/eci_scores.csv, data row 23 (file line 24), Model=Gemini 3.8 Flash

Related rankings

References