Compare

Gemini Omni Flash vs Glm-5.3

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Gemini Omni Flash
google/gemini-omni-flash
Glm-5.3
zai-org/glm-5.3
Provider
Google
Zai-org
Family
Modality
video
text
Context window
1,310,720 tok
Max output
131,072 tok
Released
2026-09-09
2026-08-14
License
Proprietary
Open-weight
Input price
$1.40 /1M
Output price
$4.40 /1M
Per output second
$1.50 /sec
Tools
yes
Streaming
yes
Vision
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
View model →
Open in playground →
Gemini Omni Flash
google/gemini-omni-flash
Full spec →

Preview high-performance multimodal video generation and editing model with conversational controls and generated audio.

Strengths
  • Text-to-video generation
Use cases
PromosDemosStoryboards
Glm-5.3
zai-org/glm-5.3
Full spec →

GLM-5.3 is Z.ai's flagship agentic coding model, pairing a 1M-token context window with reasoning, function calling, and structured outputs to power multi-step, tool-driven development workflows.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Fable 5.1 vs Glm-5.3
anthropic/claude-fable-5.1 · zai-org/glm-5.3
Claude Fable 5.1 vs Gemini Omni Flash
anthropic/claude-fable-5.1 · google/gemini-omni-flash
Gemini 3.8 Flash vs Glm-5.3
google/gemini-3.8-flash · zai-org/glm-5.3
Gemini 3.8 Flash vs Gemini Omni Flash
google/gemini-3.8-flash · google/gemini-omni-flash
Claude Opus 5 vs Glm-5.3
anthropic/claude-opus-5 · zai-org/glm-5.3
Claude Opus 5 vs Gemini Omni Flash
anthropic/claude-opus-5 · google/gemini-omni-flash
Glm-5.3 vs Grok 4.6
zai-org/glm-5.3 · xai/grok-4.6
Glm-5.3 vs Kimi K3
zai-org/glm-5.3 · moonshot/kimi-k3
Glm-5.3 vs GPT-5.6 Sol
zai-org/glm-5.3 · openai/gpt-5.6-sol
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Gemini Omni Flash
client.chat.completions.create(
    model="google/gemini-omni-flash",
    messages=[{"role":"user","content":"hello"}],
)

# Glm-5.3
client.chat.completions.create(
    model="zai-org/glm-5.3",
    messages=[{"role":"user","content":"hello"}],
)
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