The AI arena is free today

Open Superagent

Claude Opus 4.8 vs DeepSeek-V4-Flash-Vision-Exp

Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp are closely matched at 51.1 and 47.0 on the LLM Stats Score. DeepSeek-V4-Flash-Vision-Exp is 30.3x cheaper per token.

Anthropic · DeepSeek · Updated for 2026

Which is better?

Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp are closely matched on the overall LLM Stats Score at 51.1 and 47.0.

On price, DeepSeek-V4-Flash-Vision-Exp is roughly 30.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4-Flash-Vision-Exp also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Opus 4.8

  • you want predictable pricing at $5.00/M input and $25.00/M output

Choose DeepSeek-V4-Flash-Vision-Exp

  • cost matters — it's about 30.3x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Claude Opus 4.8
Anthropic
DeepSeek-V4-Flash-Vision-Exp
DeepSeek
Core performance indexes
LLM Stats Score
51.1
#13
47.0
#24
Reasoning
50.6
#12
43.5
#38
Coding
41.8
#9
35.2
#28
Agents
35.2
#17
32.7
#22
Cost, coverage & limits
Benchmark wins
—
—
Input price
$5.00 / M
$0.22 / M
Output price
$25.00 / M
$0.66 / M
Context window
1,000,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Opus 4.8
DeepSeek-V4-Flash-Vision-Exp
Tool use
30.4#16
25.6#31
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

27 reported for Claude Opus 4.8 · 7 for DeepSeek-V4-Flash-Vision-Exp

No common benchmarks found

Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Expdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4-Flash-Vision-Exp costs less

For input processing, Claude Opus 4.8 ($5.00/1M tokens) is 22.7x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.22/1M tokens).

For output processing, Claude Opus 4.8 ($25.00/1M tokens) is 37.9x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens).

In conclusion, Claude Opus 4.8 is more expensive than DeepSeek-V4-Flash-Vision-Exp.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 06 2026 • llm-stats.com
Anthropic
Claude Opus 4.8
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
DeepSeek
DeepSeek-V4-Flash-Vision-Exp
Input tokens$0.22
Output tokens$0.66
Best providerDeepSeek
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V4-Flash-Vision-Exp accepts 1,048,576 input tokens compared to Claude Opus 4.8's 1,000,000 tokens. DeepSeek-V4-Flash-Vision-Exp can generate longer responses up to 393,216 tokens, while Claude Opus 4.8 is limited to 128,000 tokens.

Anthropic
Claude Opus 4.8
Input1,000,000 tokens
Output128,000 tokens
DeepSeek
DeepSeek-V4-Flash-Vision-Exp
Input1,048,576 tokens
Output393,216 tokens
Sun Sep 06 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 4.8

Text
Images
Audio
Video

DeepSeek-V4-Flash-Vision-Exp

Text
Images
Audio
Video

Release Timeline

When each model was launched

Claude Opus 4.8 was released on 2026-05-28, while DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21.

DeepSeek-V4-Flash-Vision-Exp is 3 months newer than Claude Opus 4.8.

Claude Opus 4.8

May 28, 2026

3 months ago

DeepSeek-V4-Flash-Vision-Exp

Aug 21, 2026

2 weeks ago

2mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Opus 4.8 is available from Anthropic, Vertex AI. DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek.

Claude Opus 4.8

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M
vertex logo
Unknown Organization
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

DeepSeek-V4-Flash-Vision-Exp

deepseek logo
DeepSeek
Input Price:Input: $0.22/1MOutput Price:Output: $0.66/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp side-by-side, then vote on the output you prefer.

Claude Opus 4.8
✓ Preferred
DeepSeek-V4-Flash-Vision-Exp
Open in Playground

FAQ

Common questions about Claude Opus 4.8 vs DeepSeek-V4-Flash-Vision-Exp.

Which is better, Claude Opus 4.8 or DeepSeek-V4-Flash-Vision-Exp?

Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp are closely matched on the LLM Stats Score at 51.1 and 47.0. Claude Opus 4.8 is made by Anthropic and DeepSeek-V4-Flash-Vision-Exp is made by DeepSeek. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 4.8 compare to DeepSeek-V4-Flash-Vision-Exp in benchmarks?

Claude Opus 4.8 scores GPQA: 93.6%, DeepSearchQA: 93.1%, CharXiv-R: 89.9%, SWE-Bench Verified: 88.6%, ScreenSpot Pro: 87.9%. DeepSeek-V4-Flash-Vision-Exp scores Terminal-Bench 2.1: 83.9%, DSBench-Hard: 63.6%, DeepSWE: 59.3%, NL2Repo: 57.7%, ZEROBench: 35.0%.

Is Claude Opus 4.8 cheaper than DeepSeek-V4-Flash-Vision-Exp?

DeepSeek-V4-Flash-Vision-Exp is 22.7x cheaper for input tokens. Claude Opus 4.8 costs $5.00/M input and $25.00/M output via anthropic. DeepSeek-V4-Flash-Vision-Exp costs $0.22/M input and $0.66/M output via deepseek.

What are the context window sizes for Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp?

Claude Opus 4.8 supports 1.0M tokens and DeepSeek-V4-Flash-Vision-Exp supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp?

Key differences include LLM Stats Score (51.1 vs 47.0), context window (1.0M vs 1.0M), input pricing ($5.00 vs $0.22/M), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.8 and DeepSeek-V4-Flash-Vision-Exp?

Claude Opus 4.8 is developed by Anthropic and DeepSeek-V4-Flash-Vision-Exp is developed by DeepSeek.

Related comparisons