Claude 4 Opus vs Gemini 3.1 Pro
Deprecated Anthropic premium vs Google's latest — 87% cheaper input, 84% cheaper output, 5x more context. The best value migration for Claude 4 Opus users.
Pricing data verified: Jun 11, 2026
| Specification | Claude 4 Opus | Gemini 3.1 Pro |
|---|---|---|
| Input Price (per 1M tokens) | $15.00 | $2.00 |
| Output Price (per 1M tokens) | $75.00 | $12.00 |
| Context Window | 200K tokens | 1M tokens |
| Tier | Premium | Mid-Premium |
| Provider | Anthropic | |
| License | Proprietary | Proprietary |
| Self-Hostable | No | No |
| Status | Deprecated Jun 15 | Active |
| Cost at 1M input + 500K output | $52.50 | $8.00 |
Calculate Your Exact Costs
Enter your usage to see how much you save by migrating from Claude 4 Opus to Gemini 3.1 Pro.
Which Model for Which Use Case?
Best Value Migration
Gemini 3.1 Pro is 87% cheaper on input and 84% cheaper on output than Claude 4 Opus — with 5x more context (1M vs 200K). For most Claude 4 Opus workloads, this is the clear winner on price-to-performance.
Long Document Analysis
Gemini 3.1 Pro's 1M context window handles entire codebases, books, or long conversations that would exceed Claude 4 Opus's 200K limit. At 87% less cost, it's the obvious choice for context-heavy workloads.
After June 15 Migration
When Claude 4 Opus deprecates, Gemini 3.1 Pro ($2/$12) offers the best value with 1M context. For Anthropic ecosystem users, Claude Opus 4.8 ($5/$25) is the direct successor at 67% savings.
Maximum Savings
For the deepest savings, Llama 4 Maverick ($0.27/$0.85) is 98% cheaper than Claude 4 Opus with 1M context. DeepSeek V4 Pro ($0.44/$0.87) is 97% cheaper. Both are open source and self-hostable.
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Frequently Asked Questions
Is Gemini 3.1 Pro cheaper than Claude 4 Opus?
Yes, dramatically. Claude 4 Opus costs $15.00/M input and $75.00/M output. Gemini 3.1 Pro costs $2.00/M input and $12.00/M output. Gemini 3.1 Pro is 87% cheaper on input and 84% cheaper on output. For a typical workload of 1M input + 500K output tokens/month, Gemini 3.1 Pro costs $8.00 vs Claude 4 Opus's $52.50 — saving you $44.50/month (85%).
How does Gemini 3.1 Pro quality compare to Claude 4 Opus?
Claude 4 Opus was Anthropic's flagship model with excellent reasoning and coding capabilities, but it's being deprecated on June 15, 2026. Gemini 3.1 Pro from Google is a direct competitor with a 1M token context window — 5x larger than Claude 4 Opus's 200K. Gemini 3.1 Pro excels at complex reasoning, code generation, multimodal tasks, and long-document analysis. For Opus-level quality at a fraction of the cost, Gemini 3.1 Pro is the strongest value alternative.
What happens when Claude 4 Opus deprecates on June 15?
After June 15, 2026, Claude 4 Opus API calls will fail with errors. You must migrate to a replacement model. Options: (1) Gemini 3.1 Pro ($2/$12) — 87% cheaper, 1M context, Google's latest. (2) Claude Opus 4.8 ($5/$25) — direct Anthropic successor, 67% cheaper with 1M context. (3) GPT-5 ($1.25/$10) — 92% cheaper, 272K context. (4) Llama 4 Maverick ($0.27/$0.85) — 98% cheaper, open source, 1M context.
What is the cheapest alternative to Claude 4 Opus with 1M context?
For 1M context at the lowest cost, Llama 4 Maverick ($0.27/$0.85) is 98% cheaper than Claude 4 Opus. DeepSeek V4 Pro ($0.44/$0.87) is 97% cheaper. Gemini 3.1 Pro ($2/$12) is 87% cheaper with Google's ecosystem and 1M context. Claude Opus 4.8 ($5/$25) is 67% cheaper and is the direct Anthropic successor.