Claude Opus 4.6 vs Gemini 3 Pro
Complete pricing and performance comparison between Anthropic's Claude Opus 4.6 and Google's Gemini 3 Pro.
Quick Verdict
Cheaper
Gemini 3 Pro
2.5x cheaper input, 2.1x cheaper output
Larger Context
Gemini 3 Pro
1.0M vs 200K
Higher Quality
Gemini 3 Pro
Score: 48 vs 47
Faster
Gemini 3 Pro
120 vs 56 tok/s
Pricing Comparison
| Spec | Claude Opus 4.6 | Gemini 3 Pro | Difference |
|---|---|---|---|
| Provider | Anthropic | ||
| Input / 1M tokens | $5 | $2 | Gemini 3 Pro is 60% more expensive |
| Output / 1M tokens | $25 | $12 | Gemini 3 Pro is 52% more expensive |
| Context Window | 200K | 1.0M | 5x difference |
| Max Output | 32K | 66K |
Performance Benchmarks
| Metric | Claude Opus 4.6 | Gemini 3 Pro | Winner |
|---|---|---|---|
| Quality Index | 47 | 48 | Gemini 3 Pro |
| Output Speed | 56 tok/s | 120 tok/s | Gemini 3 Pro |
| Time to First Token | 1.77s | 26.13s | Claude Opus 4.6 |
| Value (Quality/$) | 9.3 | 24.2 | Higher = better value |
Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.
Cost at Scale
Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).
| Usage | Claude Opus 4.6 | Gemini 3 Pro | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.013 | $0.0056 | Gemini 3 Pro saves $0.0069 |
10 requests 10K in / 3K out | $0.125 | $0.056 | Gemini 3 Pro saves $0.069 |
100 requests 100K in / 30K out | $1.25 | $0.560 | Gemini 3 Pro saves $0.690 |
1,000 requests 1M in / 300K out | $12.50 | $5.60 | Gemini 3 Pro saves $6.90 |
10,000 requests 10M in / 3M out | $125.00 | $56.00 | Gemini 3 Pro saves $69.00 |
1M requests/mo 1B in / 300M out | $12500.00 | $5600.00 | Gemini 3 Pro saves $6900.00 |
Pros & Cons
Claude Opus 4.6 Strengths
- +Lower latency (faster first token)
Gemini 3 Pro Strengths
- +Cheaper input tokens
- +Cheaper output tokens
- +Larger context window (1.0M vs 200K)
- +Higher max output tokens
- +Faster output (120 vs 56 tok/s)
- +Higher quality score (48 vs 47)
When to Use Each Model
Choose Claude Opus 4.6 for
- →Projects already integrated with Anthropic's ecosystem
Choose Gemini 3 Pro for
- →Budget-conscious projects where cost is the primary factor
- →Long documents, large codebases, or multi-turn conversations
- →Generating long-form content or detailed code
- →Tasks requiring maximum accuracy and reasoning
- →Real-time applications, chat, or autocomplete
Frequently Asked Questions
Which is cheaper, Claude Opus 4.6 or Gemini 3 Pro?
For input tokens, Gemini 3 Pro is 2.5x cheaper at $2/1M tokens. For output tokens, Gemini 3 Pro is 2.1x cheaper at $12/1M tokens. At typical usage (1M input + 300K output), Claude Opus 4.6 costs $12.50 vs Gemini 3 Pro at $5.60.
What's the context window difference?
Claude Opus 4.6 supports 200K context (200,000 tokens), while Gemini 3 Pro supports 1.0M (1,048,576 tokens). Gemini 3 Pro can handle 5x more context in a single request.
Which model has better benchmarks?
Quality Index: Claude Opus 4.6 scores 47 vs Gemini 3 Pro at 48. Speed: Claude Opus 4.6 generates 56 tok/s vs Gemini 3 Pro at 120 tok/s. Time to first token: Claude Opus 4.6 at 1.77s vs Gemini 3 Pro at 26.13s.
When should I choose Claude Opus 4.6 over Gemini 3 Pro?
Choose Claude Opus 4.6 when you need: Lower latency (faster first token). Choose Gemini 3 Pro when you need: Cheaper input tokens, Cheaper output tokens, Larger context window (1.0M vs 200K), Higher max output tokens, Faster output (120 vs 56 tok/s), Higher quality score (48 vs 47).
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Claude Opus 4.6 = $125.00, Gemini 3 Pro = $56.00. At 10K input + 1K output per request (longer conversations): Claude Opus 4.6 = $750.00, Gemini 3 Pro = $320.00.