$ diff claude-opus-5 minimax-m3
Claude Opus 5 vs MiniMax M3
Values come from Claude Opus 5 and MiniMax M3, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
AnthropicClaude Opus 5
- context
- 1M
- weights
- closed
- $/M in
- $5
- $/M out
- $25
- context
- 1M
- weights
- open
- $/M in
- $0.3
- $/M out
- $1.2
What actually differs
- Context window
- Identical — both accept 1M tokens, so context length is not a reason to pick either.
- Input price
- MiniMax M3 at $0.3/M against $5/M — 16.7× cheaper to feed. Standard rates: one of these labs also quotes a lower cached-input tier, which applies only when a prefix is reused — see the full spec below.
- Output price
- MiniMax M3 at $1.2/M against $25/M — 20.8× cheaper to generate. Output dominates the bill on most agentic workloads, where the model writes far more than it reads.
- Weights
- MiniMax M3 publishes weights (Open-weight (HuggingFace)); Claude Opus 5 is API-only. That decides self-hosting, air-gapped deployment and fine-tuning before any capability question does.
- Recency
- Claude Opus 5 shipped 53 days after MiniMax M3 (2026-07-24 vs 2026-06-01).
Full spec
| Attribute | Claude Opus 5 | MiniMax M3 |
|---|---|---|
| Developer | Anthropic | MiniMax |
| Released | 2026-07-24 | 2026-06-01 |
| Context window | 1M tokens | 1,000,000 tokens (1M); min. 512K guaranteed |
| Pricing | $5/M input · $25/M output (standard); $10/M · $50/M (Fast mode, research preview) | $0.30/M input · $1.20/M output ($0.06/M cached input) — OpenRouter catalogue, read 2026-07-28 |
| License | proprietary | Open-weight (HuggingFace) |
| Availability | Claude.ai, API (`claude-opus-5`), Bedrock (`anthropic.claude-opus-53`), Vertex AI, Microsoft Foundry, Claude Code, Cowork | API (global, including English) + open-weight on HuggingFace |