Compare Claude Opus 4.1 by Anthropic against NVIDIA: Nemotron 3 Ultra by NVIDIA, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated June 2026.
Claude Opus 4.1 and NVIDIA: Nemotron 3 Ultra are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $0/M for NVIDIA: Nemotron 3 Ultra. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Claude Opus 4.1 is made by anthropic while NVIDIA: Nemotron 3 Ultra is from nvidia. Claude Opus 4.1 has a 200K token context window compared to NVIDIA: Nemotron 3 Ultra's 1000K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0/M for NVIDIA: Nemotron 3 Ultra.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Claude Opus 4.1 uses 5.6x more sentence length
Compare Claude Opus 4.1 by Anthropic against NVIDIA: Nemotron 3 Ultra by NVIDIA, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated June 2026.
Claude Opus 4.1 and NVIDIA: Nemotron 3 Ultra are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $0/M for NVIDIA: Nemotron 3 Ultra. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Claude Opus 4.1 is made by anthropic while NVIDIA: Nemotron 3 Ultra is from nvidia. Claude Opus 4.1 has a 200K token context window compared to NVIDIA: Nemotron 3 Ultra's 1000K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0/M for NVIDIA: Nemotron 3 Ultra.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Claude Opus 4.1 uses 5.6x more sentence length