Amazon Nova Pro vs GPT-5.5
Pricing, benchmarks, and use case comparison
Quick take
- •Amazon Nova Pro is meaningfully stronger at cost efficiency (82 vs 58 on our capability index).
- •GPT-5.5 is meaningfully stronger at coding (93 vs 68).
- •Amazon Nova Pro is 84% cheaper on input tokens, which compounds fast on high-volume or agentic workloads.
- •Amazon Nova Pro has a 300K tokens context window vs 1,050,000 tokens (128,000 max output) - better for whole-repo or long-document work.
Specs comparison
| Amazon Nova Pro | GPT-5.5 | |
|---|---|---|
| Provider | Amazon Web Services | OpenAI |
| Type | Closed source | Closed source |
| Context window | ✓300K tokens | 1,050,000 tokens (128,000 max output) |
| Input / 1M tokens | ✓$0.80 | $5.00 |
| Output / 1M tokens | $3.20 | $30.00 |
| Release date | 2024-12 | 2026-04 |
Benchmarks
| Benchmark | Amazon Nova Pro | GPT-5.5 |
|---|---|---|
| MMLU | ~85% | - |
| SWE-bench Verified | - | 82.6% |
| SWE-bench Pro | - | 58.6% |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Amazon Nova Pro if...
- →You are building on AWS and want native Bedrock integration
- →You need multimodal understanding of images or video plus text
- →You want a cost-balanced general model with a large context
- →You need enterprise controls: data residency, service tiers, prompt caching
Choose GPT-5.5 if...
- →Complex professional coding, data analysis, and multi-tool agentic workflows
- →Long-document or large-codebase tasks needing a 1M+ context window
- →You want OpenAI's recommended default frontier model for new projects