Claude Opus 4.6 vs OpenAI o4-mini

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Claude Opus 4.6

Anthropic · Jan 2026

The first Opus with a 1M-token context window at standard pricing, kicking off Anthropic's rapid 2026 release cadence.

OpenAI o4-mini

OpenAI · Apr 2025

80.9

A compact reasoning model that punched far above its price on math — 92.7% on AIME 2025 at $1.10 per million input tokens.

The verdict

Claude Opus 4.6 wins 1 of the 1 benchmarks these models share, against 0 for OpenAI o4-mini. On price the gap is dramatic: OpenAI o4-mini works out roughly 5.2x cheaper per blended million tokens. Claude Opus 4.6 also takes 1M of context versus 200K for OpenAI o4-mini.

Benchmark head-to-head 10

SWE-bench Verified
~81.4%68.1%
Claude Opus 4.6OpenAI o4-mini

Specs & pricing

Claude Opus 4.6OpenAI o4-mini
modhub Index80.9
Input price / 1M$5$1.1
Output price / 1M$25$4.4
Context window1M200K
Max output64K100K
Open weightsnono
Reasoning modelyesyes
Multimodal inputtext, imagetext, image
Knowledge cutoffAug 2025May 2024
ReleasedJan 2026Apr 2025
Example monthly cost*$87.50$17.60

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Claude Opus 4.6 or OpenAI o4-mini?
Claude Opus 4.6 wins 1 of the 1 benchmarks these models share, against 0 for OpenAI o4-mini. On price the gap is dramatic: OpenAI o4-mini works out roughly 5.2x cheaper per blended million tokens. Claude Opus 4.6 also takes 1M of context versus 200K for OpenAI o4-mini.
Which is cheaper, Claude Opus 4.6 or OpenAI o4-mini?
Claude Opus 4.6 costs $5/$25 per million input/output tokens, while OpenAI o4-mini costs $1.1/$4.4. For a typical workload of 10M input and 1.5M output tokens per month, that's $87.50 versus $17.60.
Which model is better for coding, Claude Opus 4.6 or OpenAI o4-mini?
On SWE-bench Verified — the standard agentic-coding benchmark — Claude Opus 4.6 scores ~81.4% versus 68.1% for OpenAI o4-mini, making Claude Opus 4.6 the stronger pick for coding agents.

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