Gemini 3.5 Flash vs Claude Opus 5: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Gemini 3.5 Flash
Pricing (per 1M tokens)
Input$1.50
Output$9.00
Cached Input$0.1500
Batch Input$0.7500
Batch Output$4.50
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Anthropic
Claude Opus 5
Pricing (per 1M tokens)
Input$5.00
Output$25.00
Cached Input$0.5000
Batch Input$2.50
Batch Output$12.50
Context & Output
Context Window1M tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Gemini 3.5 Flash
70.0% cheaper
Cheaper Output Price
Gemini 3.5 Flash
64.0% cheaper
Larger Context Window
Claude Opus 5
+0 tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Gemini 3.5 Flash
$10.50
$1.50/1M input + $9.00/1M output
Claude Opus 5
$30.00
$5.00/1M input + $25.00/1M output
Gemini 3.5 Flash is 65.0% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Gemini 3.5 Flash or Claude Opus 5?
For input tokens, Gemini 3.5 Flash is cheaper at $1.50 per 1M tokens. For output tokens, Gemini 3.5 Flash is cheaper at $9.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 3.5 Flash vs Claude Opus 5?
Gemini 3.5 Flash has a context window of 1M tokens, while Claude Opus 5 has 1M tokens. Gemini 3.5 Flash supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do Gemini 3.5 Flash and Claude Opus 5 compare for batch processing?
Both models support batch processing with discounted rates. Gemini 3.5 Flash offers a better batch rate at $0.7500 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
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