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Gemini 3.6 Flash vs GLM-5.1

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 3.6 Flash
google/gemini-3.6-flash
GLM-5.1
zai-org/glm-5.1
Provider
Google
Z.ai
Family
Gemini 3
Modality
text
text
Context window
1,048,576 tok
200,000 tok
Max output
65,536 tok
Released
2026-07-21
2026-06-23
License
Proprietary
Open-weight
Input price
$1.50 /1M
$1.40 /1M
Output price
$7.50 /1M
$4.40 /1M
Tools
yes
yes
Streaming
yes
yes
Vision
yes
JSON mode
yes
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
Gemini 3.6 Flash
google/gemini-3.6-flash
Full spec →

Gemini 3.6 Flash provides sustained frontier-level intelligence optimized for real-world tasks at a higher speed and lower cost, excelling at code generation, agentic execution, and spatial reasoning.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
GLM-5.1
zai-org/glm-5.1
Full spec →
Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Grok 4.6 vs Gemini 3.6 Flash
xai/grok-4.6 · google/gemini-3.6-flash
Grok 4.6 vs GLM-5.1
xai/grok-4.6 · zai-org/glm-5.1
Claude Opus 5 vs Gemini 3.6 Flash
anthropic/claude-opus-5 · google/gemini-3.6-flash
Claude Opus 5 vs GLM-5.1
anthropic/claude-opus-5 · zai-org/glm-5.1
Qwen3.8 Max vs Gemini 3.6 Flash
alibaba/qwen3.8-max · google/gemini-3.6-flash
Qwen3.8 Max vs GLM-5.1
alibaba/qwen3.8-max · zai-org/glm-5.1
DeepSeek V4 Pro vs Gemini 3.6 Flash
deepseek/deepseek-v4-pro · google/gemini-3.6-flash
DeepSeek V4 Pro vs GLM-5.1
deepseek/deepseek-v4-pro · zai-org/glm-5.1
Kimi K3 vs Gemini 3.6 Flash
moonshot/kimi-k3 · google/gemini-3.6-flash
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 3.6 Flash
client.chat.completions.create(
    model="google/gemini-3.6-flash",
    messages=[{"role":"user","content":"hello"}],
)

# GLM-5.1
client.chat.completions.create(
    model="zai-org/glm-5.1",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →