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Gemini 4 Argon vs GPT-6.1 Terra

Detailed technical comparison between Gemini 4 Argon (Google) and GPT-6.1 Terra (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Gemini 4 Argon: 0 WinsvsGPT-6.1 Terra: 6 Wins
Context Leader

GPT-6.1 Terra

1,050,000 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT-6.1 Terra

$1.00 / MTok
Googleactive

Gemini 4 Argon

Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across...

View Gemini 4 Argon Full Specs →
OpenAIactive

GPT-6.1 Terra

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...

View GPT-6.1 Terra Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGemini 4 ArgonGPT-6.1 Terra
ProviderGoogleOpenAI
Context Window1,048,576 tokens1,050,000 tokens🏆
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityStable releaseNot verified
API AvailableYesYes
Released Date2026-10-132026-10-26

API Pricing Comparison

Input Price per Million Tokens

Gemini 4 Argon

$2.00

GPT-6.1 Terra

$1.00

Output Price per Million Tokens

Gemini 4 Argon

$10.00

GPT-6.1 Terra

$5.00

💡 Cost Ratio: GPT-6.1 Terra is 2.0x cheaper per input token than Gemini 4 Argon.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
72.8%vs79.8%+7.0% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆
HumanEvalPython coding & logic synthesis
69.0%vs78.0%+9.0% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆
MATHComplex mathematical problem solving
42.2%vs55.2%+13.0% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆
GPQAGraduate-level expert reasoning
29.6%vs40.6%+11.0% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆
HellaSwagCommonsense reasoning and inference
76.8%vs82.8%+6.0% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆
MT-BenchMulti-turn conversation flow quality
7.9%vs8.5%+0.6% GPT-6.1 Terra
Gemini 4 Argon
GPT-6.1 Terra 🏆

Gemini 4 Argon Quirks & Gotchas

No developer gotchas reported.

GPT-6.1 Terra Quirks & Gotchas

No developer gotchas reported.

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