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Claude Opus 4 7 vs Gemini 3 Pro Preview

Side-by-side pricing, context window, features, and per-use-case verdict. Data sourced from LiteLLM, updated regularly.

Specifications

Feature Claude Opus 4 7 Gemini 3 Pro Preview
Provider anthropic vertex ai-language-models
Model ID claude-opus-4-7 gemini-3-pro-preview
Input / 1M tokens $5.00 $2.00 (60% cheaper)
Output / 1M tokens $25.00 $12.00 (52% cheaper)
Cached input / 1M $0.50 $0.20
Context window 1000kk tokens 1049kk tokens
Max output 128kk tokens 66kk tokens
Vision
Function calling
Prompt caching
Web search
JSON schema

Monthly cost comparison

No cache discount applied — pure token costs at three usage scales.

Scale Claude Opus 4 7 Gemini 3 Pro Preview Winner
Small
1M in / 0.2M out
$10.00 $4.40 Gemini 3 Pro Preview saves 56%
Medium
10M in / 2M out
$100 $44.00 Gemini 3 Pro Preview saves 56%
Large
100M in / 20M out
$1000 $440 Gemini 3 Pro Preview saves 56%

Category winners

Cheapest input
Gemini 3 Pro Preview
$2.00/M · 60% less than the other
Cheapest output
Gemini 3 Pro Preview
$12.00/M · 52% less than the other
Larger context
Gemini 3 Pro Preview
1049kk tokens · 5% larger window
More features
Gemini 3 Pro Preview
5 / 5 capabilities

Better for…

High-volume RAG & repeated context
$0.20/M cached input — prompt caching makes repeated context retrieval significantly cheaper
Gemini 3 Pro Preview
Short interactions & high-throughput APIs
$12.00/M output — 52% cheaper on output at scale
Gemini 3 Pro Preview
Agentic workflows & tool use
Supports 5 of 5 tracked capabilities (vision, function calling, caching, web search, JSON schema)
Gemini 3 Pro Preview
Cost-sensitive production at scale
$440/month at 100M-token scale — 56% cheaper than the alternative
Gemini 3 Pro Preview

Deep-dive on each model

Pricing data sourced from LiteLLM and refreshed regularly. Always verify with each provider's official pricing page before making business decisions.