BenchLeader

Gemini 4 Argon vs GPT-6 Astra

Verdict
  • Gemini 4 Argon (high) and GPT-6 Astra (max) are level on quality (70.0 vs 70.2).
  • Gemini 4 Argon (high) is stronger in composite, human preference, reasoning.
  • GPT-6 Astra (max) is stronger in agents & tools, coding, knowledge, long context, maths, multimodal.
  • Gemini 4 Argon (high) is 5.0× cheaper ($4.00 vs $20.00 per 1M blended).
MetricGemini 4 Argon (high)GPT-6 Astra (max)
BenchLeader Index70.070.2
Agents & tools score67.568.8
Coding score72.174.4
Composite score89.280.3
Human preference score73.267.0
Knowledge score75.779.9
Long context score65.065.6
Maths score71.972.2
Reasoning score82.076.7
Multimodal score–66.3
Blended price $/M$4.00$20.00
Output speed–47 tok/s
Time to first answer–383.6 s
Context window1M1.1M
GPQA Diamond–95.8%
FrontierMath Tiers 1–3–93.7%
FrontierMath Tier 4–97.6%
OTIS Mock AIME–100.0%
SimpleQA Verified–75.6%
Terminal-Bench–58.2%
SciCode61.8%56.5%
WeirdML–93.3%
FrontierCode–53.3%
LMArena Text15251475
LMArena Hard Prompts15511500
LMArena Coding15621542
LMArena WebDev16781786
LMArena Vision–1281
LMArena Agent9.313.1
LiveBench–82.2%
LiveBench Reasoning–92.7%
LiveBench Coding–80.4%
LiveBench Agentic Coding–57.3%
LiveBench Mathematics–96.8%
LiveBench Data Analysis–83.0%
LiveBench Language–89.4%
LiveBench Instruction Following–75.6%
AA Intelligence Index v4.3.252.652.7
AA-LCR79.7%80.7%
MMMU-Pro–86.9%
AA-Omniscience42.443.4
GPQA Diamond (AA)–96.1%
Humanity's Last Exam (AA)57.1%54.7%
SciCode (AA)61.8%56.5%
IOI100.0%100.0%
LegalBench88.3%–
Terminal-Bench 2.1 (Vals)–87.3%
Vals Index68.963.1
ARC-AGI-1–97.5%
ARC-AGI-2–95.0%
ARC-AGI-3–98.6%
CritPt27.1%31.7%
GDPval-AA v2.156.3%52.1%
τ³-Banking (AA)–41.4%
ITBench SRE (AA)–48.6%
Analyst Agent (AA)–51.3%
BioMysteryBench76.3%79.3%
Code Migration68.2%67.7%
CUA-bench4.8%19.2%
CyberBench77.9%41.1%
Excel Modeling Benchmark75.2%71.7%
Finance Agent v265.4%53.5%
Harvey's Legal Agent Benchmark19.6%5.4%
Legal Research Bench54.8%39.4%
MedCode58.8%48.5%
MedScribe87.4%87.9%
MysteryMechanism45.5%53.1%
ProgramBench2.5%5.5%
Public Benefits Bench69.8%–
SAGE53.6%46.4%
SREBench44.3%56.9%
Tax Agent Bench76.2%63.3%
Terminal-Bench 4.0 (Vals)57.6%59.6%
Terminal-Bench Science44.3%62.9%
Time Horizon Index: KSP–90.5%
Vibe Code Bench 1-100–27.6%
Vibe Code Bench v1.191.9%89.6%
LMArena Maths15281486
LMArena Creative Writing15191448
LMArena Instruction Following15291469
LMArena Multi-turn15531484
LMArena Longer Queries15451484
LMArena Document–1473
Chess Puzzles–72.0%
EBR-bench–76.2%
Mystery Game Puzzles–84.0%
BALROG–68.3%
DeepSWE v1.1–73.2%
ALE-Bench–2951.3
GDP.pdf–34.2%
FrontierSWE55.0%65.5%
Terminal-Bench 4.0 (AA)57.1%59.1%
Terminal-Bench 2.1 (AA)–88.4%
AutomationBench77.5%68.5%
GDP.pdf21.8%31.0%
MLCR–35.0%
Harvey LAB–8.6%
AA-Omniscience: accuracy49.9%62.6%
AA-Omniscience: non-hallucination84.9%48.7%
AA-Briefcase v1.114881570

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 GPT-6 Astra: questions

Is Gemini 4 Argon better than GPT-6 Astra?
Gemini 4 Argon (high) and GPT-6 Astra (max) are level on quality (70.0 vs 70.2). The BenchLeader Index combines every independent quality benchmark; GPT-6 Astra (max) is ahead overall as of 2026-10-11, but check the category scores for your use.
Is Gemini 4 Argon better than GPT-6 Astra for coding?
GPT-6 Astra scores higher in coding (74 vs 72 on the category index, where 50 is average).
Is Gemini 4 Argon better than GPT-6 Astra for agentic tasks?
GPT-6 Astra scores higher in agentic tasks (69 vs 68 on the category index, where 50 is average).
Which is cheaper, Gemini 4 Argon or GPT-6 Astra?
Gemini 4 Argon is cheaper: $4.00 against $20.00 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
GPT-6 Astra accepts more context: 1.1M against 1M tokens.