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GLM 5.3 FlashX Legal vs Gemini Omni 1.2 Flash

Detailed technical comparison between GLM 5.3 FlashX Legal (Zhipu AI) and Gemini Omni 1.2 Flash (Google). 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

GLM 5.3 FlashX Legal: 0 WinsvsGemini Omni 1.2 Flash: 6 Wins
Context Leader

GLM 5.3 FlashX Legal

1,048,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GLM 5.3 FlashX Legal

$0.37 / MTok
Zhipu AIactive

GLM 5.3 FlashX Legal

GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. It adds legal-domain mid-training and post-training with reinforcement...

View GLM 5.3 FlashX Legal Full Specs →
Googleactive

Gemini Omni 1.2 Flash

Gemini Omni 1.2 Flash is Google's native multimodal video generation and editing model, the successor to Gemini Omni 1.1 Flash. It generates clips up to 15 seconds long with native...

View Gemini Omni 1.2 Flash Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGLM 5.3 FlashX LegalGemini Omni 1.2 Flash
ProviderZhipu AIGoogle
Context Window1,048,576 tokens🏆131,072 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityNot verifiedNot verified
API AvailableYesYes
Released Date2026-11-022026-11-05

API Pricing Comparison

Input Price per Million Tokens

GLM 5.3 FlashX Legal

$0.37

Gemini Omni 1.2 Flash

$1.50

Output Price per Million Tokens

GLM 5.3 FlashX Legal

$1.25

Gemini Omni 1.2 Flash

$9.00

💡 Cost Ratio: GLM 5.3 FlashX Legal is 4.1x cheaper per input token than Gemini Omni 1.2 Flash.

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
72.4%vs73.2%+0.8% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆
HumanEvalPython coding & logic synthesis
68.6%vs69.4%+0.8% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆
MATHComplex mathematical problem solving
41.8%vs42.6%+0.8% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆
GPQAGraduate-level expert reasoning
29.2%vs30.0%+0.8% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆
HellaSwagCommonsense reasoning and inference
76.4%vs77.2%+0.8% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆
MT-BenchMulti-turn conversation flow quality
7.9%vs8.0%+0.1% Gemini Omni 1.2 Flash
GLM 5.3 FlashX Legal
Gemini Omni 1.2 Flash 🏆

GLM 5.3 FlashX Legal Quirks & Gotchas

No developer gotchas reported.

Gemini Omni 1.2 Flash Quirks & Gotchas

No developer gotchas reported.

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