Claude Opus 4 vs Amazon Nova Micro
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
- PriceAmazon Nova Micro
Amazon Nova Micro is roughly 535.7× cheaper on output tokens ($0.14 vs $75.00 per 1M).
- Context windowClaude Opus 4
Claude Opus 4 accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesClaude Opus 4
Claude Opus 4 supports 2 modalities (text, vision) vs 1 for Amazon Nova Micro.
- OpennessTie
Both are closed-weight, API-only.
On balance Claude Opus 4 edges ahead, winning 2 of 5 categories against Amazon Nova Micro's 1. Amazon Nova Micro is roughly 535.7× cheaper on output tokens ($0.14 vs $75.00 per 1M). Claude Opus 4 accepts 200K tokens vs 128K, 1.6× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude Opus 4 handles text, vision while Amazon Nova Micro handles text, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.
Claude Opus 4 is the newer of the two, released 6 months after Amazon Nova Micro, which usually means a more recent knowledge cutoff and updated safety post-training. Claude Opus 4 is usually picked for coding llm and coding agent workloads, while Amazon Nova Micro sees more deployments in cheapest llm and fastest llm. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Claude Opus 4 | Amazon Nova Micro |
|---|---|---|
| Provider | Anthropic | Other |
| Released | May 2025 | Dec 2024 |
| Modalities | text, vision | text |
| Context window | 200K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | $15.00 / 1M tokens | $0.035 / 1M tokens |
| Output · 1M | $75.00 / 1M tokens | $0.14 / 1M tokens |
| Knowledge cutoff | 2025-03 | , |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$158 vs $0.315
- Heavy usage, 1M in / 500k out per day$1,575 vs $3.15
- RAG workload, 5M in / 200k out per day$2,700 vs $6.09
Light usage, 100k in / 50k out per day: $158 vs $0.315 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $1,575 vs $3.15 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $2,700 vs $6.09 per month, model B comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Claude Opus 4$5.25
- Amazon Nova Micro$0.011
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- HumanEval95.0
- SWE-bench Verified72.5
Claude Opus 4 fits when…
- Set the SWE-bench bar at launch
- Excellent for writing and code
- Strong long-context handling
- Long-context tasks, handles 200K tokens vs 128K for Amazon Nova Micro.
- Multimodal needs covering vision.
Amazon Nova Micro fits when…
- Lowest-cost frontier-lab model
- Native AWS integration
- Generous 128k context for the price tier
- Cost-sensitive workloads, 535.7× cheaper than Claude Opus 4 on output tokens.
Consider Claude Opus 4.7
Anthropic's mid-2026 flagship, ahead on SWE-bench, agent reliability, and writing quality.
Frequently asked
Is Claude Opus 4 or Amazon Nova Micro cheaper?
Amazon Nova Micro is cheaper at $0.14 / 1M tokens per million output tokens, vs $75.00 / 1M tokens for Claude Opus 4.Which has the larger context window?
Claude Opus 4 accepts 200K tokens vs 128K for Amazon Nova Micro.Is Claude Opus 4 or Amazon Nova Micro better for coding?
Both Claude Opus 4 and Amazon Nova Micro are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Claude Opus 4 and Amazon Nova Micro released?
Claude Opus 4 was released by Anthropic on 2025-05-22. Amazon Nova Micro was released by Other on 2024-12-03.
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