BenchLeader

Gemini 4 Argon vs o3

Verdict
  • Gemini 4 Argon (high) leads on quality: 70.0 vs 59.7.
  • Gemini 4 Argon (high) is stronger in coding, composite, human preference, knowledge, long context, maths, reasoning.
  • o3 is stronger in agents & tools, instruction following, multimodal.
  • They cost about the same ($3.50 per 1M blended).
MetricGemini 4 Argon (high)o3
BenchLeader Index70.059.7
Agents & tools score67.570.2
Coding score72.161.8
Composite score89.252.3
Human preference score73.261.7
Knowledge score75.756.2
Long context score65.062.5
Maths score71.970.8
Reasoning score82.052.1
Instruction following score–65.1
Multimodal score–57.0
Blended price $/M$4.00$3.50
Output speed–116 tok/s
Time to first answer–10.7 s
Context window1M200k
SciCode61.8%–
Epoch Capabilities Index–146.9
LMArena Text15251432
LMArena Hard Prompts15511442
LMArena Coding15621460
LMArena WebDev1678–
LMArena Vision–1214
LMArena Agent9.3–
AA Intelligence Index v4.3.252.620.2
IFBench–71.4%
AA-LCR79.7%74.7%
MMMU-Pro–70.1%
AA-Omniscience42.4-15.6
Terminal-Bench Hard–37.1%
GPQA Diamond (AA)–82.7%
Humanity's Last Exam (AA)57.1%20.1%
SciCode (AA)61.8%–
τ²-Bench Telecom (AA)–80.7%
IOI100.0%–
LegalBench88.3%–
Vals Index68.9–
PRBench Finance–47.7%
PRBench Legal–48.6%
MMMU (validation)–82.9%
MMMU-Pro (official)–76.4%
Kagi LLM Benchmark–67.6%
IFEval (HELM)–86.9%
Omni-MATH (HELM)–71.4%
WildBench (HELM)–86.1%
MMLU-Pro (HELM)–85.9%
GPQA Diamond (HELM)–75.3%
HELM Capabilities mean–81.1%
Aider Polyglot–81.3%
SWE-bench Verified (bash only)–58.4%
SWE-bench Verified (any scaffold)–58.4%
BFCL Overall–63.0%
CritPt27.1%1.1%
GDPval-AA v2.156.3%–
BioMysteryBench76.3%–
Code Migration68.2%–
CUA-bench4.8%–
CyberBench77.9%–
Excel Modeling Benchmark75.2%–
Finance Agent v265.4%–
Harvey's Legal Agent Benchmark19.6%–
Legal Research Bench54.8%–
MedCode58.8%–
MedScribe87.4%–
MysteryMechanism45.5%–
ProgramBench2.5%–
Public Benefits Bench69.8%–
SAGE53.6%–
SREBench44.3%–
Tax Agent Bench76.2%–
Terminal-Bench 4.0 (Vals)57.6%–
Terminal-Bench Science44.3%–
Vibe Code Bench v1.191.9%–
FORTRESS–16.0%
PropensityBench–10.5%
SciPredict–17.9%
LMArena Maths15281448
LMArena Creative Writing15191383
LMArena Instruction Following15291403
LMArena Multi-turn15531420
LMArena Longer Queries15451411
METR Time Horizons–63.6%
ForecastBench–62.5%
FrontierSWE55.0%–
Terminal-Bench 4.0 (AA)57.1%–
AutomationBench77.5%–
GDP.pdf21.8%–
AA-Omniscience: accuracy49.9%38.6%
AA-Omniscience: non-hallucination84.9%11.9%
AA-Briefcase v1.11488–
BrowseComp-Plus–50.5%

Data as of 2026-10-11. Best configuration of each model; every score links to its source on the model pages.

Gemini 4 Argon vs o3: questions

Is Gemini 4 Argon better than o3?
Gemini 4 Argon (high) leads on quality: 70.0 vs 59.7. The BenchLeader Index combines every independent quality benchmark; Gemini 4 Argon (high) is ahead overall as of 2026-10-11, but check the category scores for your use.
Is Gemini 4 Argon better than o3 for coding?
Gemini 4 Argon scores higher in coding (72 vs 62 on the category index, where 50 is average).
Is Gemini 4 Argon better than o3 for agentic tasks?
o3 scores higher in agentic tasks (70 vs 68 on the category index, where 50 is average).
Which is cheaper, Gemini 4 Argon or o3?
o3 is cheaper: $3.50 against $4.00 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
Gemini 4 Argon accepts more context: 1M against 200k tokens.