Skip to content

Claude Opus 4 vs Claude 4.1 Opus Thinking (32K)

Claude Opus 4 is cheaper on output tokens. Choose Claude Opus 4 or Claude 4.1 Opus Thinking (32K) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecClaude Opus 4Claude 4.1 Opus Thinking (32K)
ProviderAnthropicNanoGPT
Input / 1M tokens$15.00$14.99
Output / 1M tokens$75.00$75.00
Context window200K200K
Parameters——
Open weightsNoNo
ReleasedMay 2025May 2025
Aider Polyglot score72.0—
LMArena (Chatbot Arena) Elo score1377—
LMArena Vision Elo score1192—
GPQA Diamond score76.3—
FrontierMath score4.5—
Epoch Capabilities Index score143—
LiveBench score—61.4

FAQ

Is Claude Opus 4 or Claude 4.1 Opus Thinking (32K) cheaper?

Claude Opus 4 is cheaper on output tokens ($75.00 vs $75.00 per 1M).

Which has the larger context window, Claude Opus 4 or Claude 4.1 Opus Thinking (32K)?

Both models offer a similar context window.

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.