Gemini 3.1 Pro vs Claude Opus 4.7: New Flagship Showdown

Google launches Gemini 3.1 Pro at $2/$12, undercutting Claude Opus 4.7 by 2.5x on input and 2x on output. Is Anthropic's premium pricing justified?

Pricing at a Glance

Gemini 3.1 Pro
$2.00 / $12.00
Input / Output per 1M tokens

1M context window

Claude Opus 4.7
$5.00 / $25.00
Input / Output per 1M tokens

1M context window

Price difference per 1M tokens

2.5x input ยท 2.1x output

Claude Opus 4.7 costs $3 more per 1M input tokens and $13 more per 1M output tokens

Both models sit in the premium tier, but Google is pricing aggressively. Gemini 3.1 Pro at $2/$12 is cheaper than GPT-5 ($1.25/$10) on output while matching it on context window. Claude Opus 4.7 at $5/$25 is positioned as the quality leader โ€” but is it 2.5x better?

Full Model Comparison

ModelInput (per 1M)Output (per 1M)ContextPrice Tier
GPT-5$1.25$10.00272KPremium
Gemini 3.1 Pro$2.00$12.001MPremium
Gemini 2.5 Pro$1.25$10.001MMid
Claude Sonnet 4.6$3.00$15.001MMid
Claude Opus 4.7$5.00$25.001MPremium
GPT-5.5$5.00$30.001MPremium

Price-Performance Sweet Spot

Gemini 3.1 Pro at $2/$12 with 1M context is arguably the best value in the premium tier. It's cheaper than Claude Sonnet 4.6 ($3/$15) while offering the same context window and presumably better quality. The only model cheaper on input is GPT-5 at $1.25, but GPT-5 has a smaller 272K context window.

Monthly Cost Scenarios

WorkloadGemini 3.1 ProClaude Opus 4.7GPT-5Savings (Gemini vs Opus)
Light: 10K req/day, 2K in / 500 out$270/mo$675/mo$225/mo$405/mo (60%)
Medium: 100K req/day, 2K in / 500 out$2,700/mo$6,750/mo$2,250/mo$4,050/mo (60%)
Heavy: 500K req/day, 1K in / 300 out$6,600/mo$16,500/mo$5,250/mo$9,900/mo (60%)
Document analysis: 1K req/day, 50K in / 2K out$1,020/mo$2,550/mo$825/mo$1,530/mo (60%)

At every scale, choosing Gemini 3.1 Pro over Claude Opus 4.7 saves approximately 60%. For a startup processing 100K requests daily, that's $4,050/mo โ€” nearly $50K/year.

When to Choose Gemini 3.1 Pro

When to Choose Claude Opus 4.7

The Middle Ground: Claude Sonnet 4.6

If neither extreme fits, Claude Sonnet 4.6 at $3/$15 offers a compromise: 40% cheaper than Opus 4.7 with 1M context. It's worth testing against Gemini 3.1 Pro to see which delivers better quality for your specific use case.

Find your optimal model: Use our calculator to compare exact costs for your workload across all premium models.

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