GPT-5.5 vs Claude Opus 4.7 vs Gemini 3.1 Pro
Premium AI model showdown. Compare the flagship models from OpenAI, Anthropic, and Google — all with 1M context windows.
Pricing data verified: May 14, 2026
All Premium Models Compared
Every premium and mid-tier model, ranked by input price.
| Model | Provider | Tier | Input (per 1M) | Output (per 1M) | Context |
|---|---|---|---|---|---|
| Gemini 2.5 Pro | Mid | $1.25 | $10.00 | 1M | |
| Gemini 3.1 Pro | Premium | $2.00 | $12.00 | 1M | |
| Claude Sonnet 4.6 | Anthropic | Mid | $3.00 | $15.00 | 1M |
| GPT-5.5 | OpenAI | Premium | $5.00 | $30.00 | 1M |
| Claude Opus 4.7 | Anthropic | Premium | $5.00 | $25.00 | 1M |
Calculate Your Exact Costs
Pick premium models from all three providers, enter your usage, see the comparison.
Which Premium Model Should You Choose?
Research & Analysis
Multi-step reasoning, nuanced analysis, academic research. Quality is the top priority.
Production Applications
Customer-facing apps, API integrations, reliability matters. OpenAI ecosystem preferred.
Cost-Sensitive Premium
Need premium quality but budget matters. Want the best value at the premium tier.
Long Document Processing
Legal contracts, codebases, research papers. Maximum context with high quality.
Code Generation
Complex codebases, architecture decisions, debugging. Quality and accuracy critical.
Multi-Model Premium Pipeline
Route by task: cheap models for simple work, premium for complex reasoning.
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Frequently Asked Questions
Which premium AI model is cheapest: GPT-5.5, Claude Opus 4.7, or Gemini 3.1 Pro?
Gemini 3.1 Pro is the cheapest premium model at $2/$12 per 1M tokens. Claude Opus 4.7 costs $5/$25 — 150% more on input and 108% more on output. GPT-5.5 costs $5/$30 — same input price as Claude Opus but 20% more on output. All three have 1M token context windows.
Is Claude Opus 4.7 worth the premium over GPT-5.5?
Both cost $5/M input. Claude Opus 4.7 is $25/M output vs GPT-5.5 at $30/M — Claude is 17% cheaper on output. Both have 1M context windows. Claude Opus 4.7 is known for superior instruction following and nuanced reasoning. GPT-5.5 may have broader tool integration via the OpenAI ecosystem. Choose Claude for research/analysis tasks, GPT-5.5 for production systems needing OpenAI compatibility.
How much would I pay monthly for premium AI models at different usage levels?
At 10K requests/month with 2K input and 500 output tokens each: Gemini 3.1 Pro costs ~$280/month, Claude Opus 4.7 costs ~$625/month, GPT-5.5 costs ~$700/month. At 100K requests/month: Gemini ~$2,800, Claude Opus ~$6,250, GPT-5.5 ~$7,000. The cost difference scales linearly — Gemini becomes increasingly attractive at higher volumes.
Which premium model has the best context window?
All three premium models — GPT-5.5, Claude Opus 4.7, and Gemini 3.1 Pro — have 1M token context windows. This is the largest context available from any provider. For tasks requiring maximum context (large codebase analysis, document processing), all three are equally capable on context capacity.
Can I use a cheaper model instead of premium for most tasks?
Yes. For most tasks, mid-tier models offer 80-90% of premium quality at 40-75% lower cost. GPT-5 ($1.25/$10) or Gemini 2.5 Pro ($1.25/$10) handle the majority of use cases well. Reserve premium models for: complex multi-step reasoning, tasks requiring the highest accuracy, long-context analysis, and customer-facing applications where quality is critical.