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Gemini 3.7 Flash vs Claude Opus 5

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 3.7 Flash
google/gemini-3.7-flash
Claude Opus 5
anthropic/claude-opus-5
Provider
Google
Anthropic
Family
Gemini 3
Claude 4
Modality
text
text
Context window
1,048,576 tok
1,000,000 tok
Max output
65,536 tok
128,000 tok
Released
2026-08-14
2026-07-24
License
Proprietary
Proprietary
Input price
$0.750 /1M
$5.00 /1M
Output price
$3.75 /1M
$25.00 /1M
Tools
yes
yes
Streaming
yes
yes
Vision
yes
yes
JSON mode
yes
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
Gemini 3.7 Flash
google/gemini-3.7-flash
Full spec →

Gemini 3.7 Flash is a highly capable, natively multimodal reasoning model optimized for agentic workflows and real-world tasks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
Claude Opus 5
anthropic/claude-opus-5
Full spec →

Claude Opus 5 is Anthropic's model for complex agentic coding and enterprise work, delivering intelligence close to Claude Fable 5 at half the price. It uses adaptive thinking to calibrate reasoning per task and supports a one million token context window at standard pricing. Unlike Fable 5, Opus 5 has no data retention requirements for general access.

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

Compare with another

Grok 4.6 vs Gemini 3.7 Flash
xai/grok-4.6 · google/gemini-3.7-flash
Grok 4.6 vs Claude Opus 5
xai/grok-4.6 · anthropic/claude-opus-5
Gemini 3.7 Flash vs Qwen3.8 Max
google/gemini-3.7-flash · alibaba/qwen3.8-max
Gemini 3.7 Flash vs Kimi K3
google/gemini-3.7-flash · moonshot/kimi-k3
Gemini 3.7 Flash vs GPT-5.6 Sol
google/gemini-3.7-flash · openai/gpt-5.6-sol
Gemini 3.7 Flash vs Claude Fable 5
google/gemini-3.7-flash · anthropic/claude-fable-5
Gemini 3.7 Flash vs GLM-5.2
google/gemini-3.7-flash · zai-org/glm-5.2
Gemini 3.7 Flash vs Gemini 3.1 Pro
google/gemini-3.7-flash · google/gemini-3.1-pro
Gemini 3.7 Flash vs Qwen3.6 Plus
google/gemini-3.7-flash · alibaba/qwen3.6-plus
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 3.7 Flash
client.chat.completions.create(
    model="google/gemini-3.7-flash",
    messages=[{"role":"user","content":"hello"}],
)

# Claude Opus 5
client.chat.completions.create(
    model="anthropic/claude-opus-5",
    messages=[{"role":"user","content":"hello"}],
)
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