DeepSeek V4.5 Benchmarks, Pricing & Rankings

DeepSeek · 2026-06-14 · Open · Current

Snapshot 2026-10-14 · updated weekly

DeepSeek V4.5 ranks #21 of 42 on the AMR leaderboard.

DeepSeek V4.5 benchmark scores

GPQA Diamond83.7%
MMLU-Pro81.2%
SWE-Bench Verified63.4%
AIME 202585.1%
LiveCodeBench v671.8%
Arena Elo1385

DeepSeek V4.5 price, speed & context

Input price

$0.30

per 1M tokens

Output price

$1.20

per 1M tokens

Speed

112

tok/s

Context

256K

tokens

About DeepSeek V4.5

DeepSeek V4.5 set the open-source price floor for frontier-adjacent quality in mid-2026 and still anchors many budget inference stacks.

Models around DeepSeek V4.5 in the rankings

More DeepSeek models

DeepSeek V4.5 FAQ

Where does DeepSeek V4.5 rank?

DeepSeek V4.5 ranks #21 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 84.5. Its strongest dimension is AIME 2025 at 85.1%.

How much does DeepSeek V4.5 cost?

DeepSeek V4.5 costs $0.30 per million input tokens and $1.20 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $0.97 per million tokens.

What is the DeepSeek V4.5 context window?

DeepSeek V4.5 supports a 256K token context window and generates at a median 112 output tokens per second. That context fits roughly 171 standard documents in a single prompt.

Is DeepSeek V4.5 open source?

Yes — DeepSeek V4.5 ships open weights that you can download and self-host or serve through any compatible inference provider.

What is better than DeepSeek V4.5?

Muse Wonder ranks one place higher at #20 with an AMR score of 85.2. DeepSeek V4.5 still wins 2 of the tracked dimensions head-to-head — check the comparison table to see exactly which.