Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...
Model details →Anthropic: Claude Opus 4.6 (batch) vs NVIDIA: Llama 3.1 Nemotron Ultra 253B v1
Anthropic: Claude Opus 4.6 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Llama-3.1-Nemotron-Ultra-253B-v1 is a large language model (LLM) optimized for advanced reasoning, human-interactive chat, retrieval-augmented generation (RAG), and tool-calling tasks. Derived from Meta’s Llama-3.1-405B-Instruct, it has bee…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.6 (batch) | NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 131K | 🏆 Anthropic: Claude Opus 4.6 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $0.60 | 🏆 NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.50 | $1.80 | 🏆 NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Anthropic: Claude Opus 4.6 (batch) |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Opus 4.6 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 4.6 (batch) better than NVIDIA: Llama 3.1 Nemotron Ultra 253B v1?
Anthropic: Claude Opus 4.6 (batch) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 4.6 (batch) and NVIDIA: Llama 3.1 Nemotron Ultra 253B v1?
Input: $2.50 vs $0.60 per 1M tokens. Output: $12.50 vs $1.80 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.6 (batch) and NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 support?
Anthropic: Claude Opus 4.6 (batch) supports up to 1M tokens. NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 supports up to 131K tokens.
Do both Anthropic: Claude Opus 4.6 (batch) and NVIDIA: Llama 3.1 Nemotron Ultra 253B v1 support tool calling?
Anthropic: Claude Opus 4.6 (batch): yes. NVIDIA: Llama 3.1 Nemotron Ultra 253B v1: not advertised.