BenchLeader

Gemini 4 Argon vs Step 5 Preview

Verdict
  • Gemini 4 Argon (high) leads on quality: 70.0 vs 62.4.
  • Gemini 4 Argon (high) is stronger in agents & tools, coding, composite, human preference, knowledge, maths, reasoning.
  • Step 5 Preview is stronger in long context, multimodal.
  • Step 5 Preview is 2.8× cheaper ($1.43 vs $4.00 per 1M blended).
MetricGemini 4 Argon (high)Step 5 Preview
BenchLeader Index70.062.4
Agents & tools score67.547.2
Coding score72.165.6
Composite score89.279.1
Human preference score73.263.6
Knowledge score75.769.1
Long context score65.069.5
Maths score71.961.1
Reasoning score82.072.2
Multimodal score–60.0
Blended price $/M$4.00$1.43
Output speed–87 tok/s
Time to first answer–25.9 s
Context window1M1M
SciCode61.8%58.9%
ProofBench–42.0%
LMArena Text15251447
LMArena Hard Prompts15511479
LMArena Coding15621503
LMArena WebDev1678–
LMArena Vision–1267
LMArena Agent9.30
AA Intelligence Index v4.3.252.643.7
AA-LCR79.7%88.3%
MMMU-Pro–76.4%
AA-Omniscience42.416.4
Humanity's Last Exam (AA)57.1%46.5%
SciCode (AA)61.8%58.9%
IOI100.0%–
LegalBench88.3%–
Vals Index68.9–
CritPt27.1%20.9%
GDPval-AA v2.156.3%54.2%
ITBench SRE (AA)–55.6%
Analyst Agent (AA)–35.0%
APEX-Agents (AA)–38.0%
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%–
LMArena Maths15281478
LMArena Creative Writing15191406
LMArena Instruction Following15291449
LMArena Multi-turn15531453
LMArena Longer Queries15451462
FrontierSWE55.0%–
Terminal-Bench 4.0 (AA)57.1%33.3%
AutomationBench77.5%51.0%
GDP.pdf21.8%14.8%
MLCR–16.7%
EnterpriseOps-Gym–47.2%
AA-Omniscience: accuracy49.9%41.5%
AA-Omniscience: non-hallucination84.9%57.0%
AA-Briefcase v1.114881425

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 Step 5 Preview: questions

Is Gemini 4 Argon better than Step 5 Preview?
Gemini 4 Argon (high) leads on quality: 70.0 vs 62.4. 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 Step 5 Preview for coding?
Gemini 4 Argon scores higher in coding (72 vs 66 on the category index, where 50 is average).
Is Gemini 4 Argon better than Step 5 Preview for agentic tasks?
Gemini 4 Argon scores higher in agentic tasks (68 vs 47 on the category index, where 50 is average).
Which is cheaper, Gemini 4 Argon or Step 5 Preview?
Step 5 Preview is cheaper: $1.43 against $4.00 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
Both accept 1M tokens of context.