DeepSeek

DeepSeek V4 Flash

Announced Jul 31, 2026

Updated Flash agents

What could it do?

DeepSeek released the updated Flash API in public beta.

What changed?

Improved agent capabilities.

WHY IT MATTERED

Supported Responses API workflows.

Where it fell short

Public beta snapshot.

Sources checked Oct 7, 2026

Release facts were checked against the sources below. Performance claims belong to the developers; we have not independently tested these models.

Developer announcement or release log

Benchmark results

EPOCH AI CAPABILITY ESTIMATE

154.5index points

Tested variant: DeepSeek V4 Flash 0731Source interval: 152.1 to 156.3Variant date in source: Jul 31, 2026

A benchmark estimate, not a percentage or capability multiplier. Reasoning settings are not specified in this source table. Historical estimates can change in later snapshots.

Epoch AI methodology ↗Download the source snapshotChecked Oct 7, 2026 · CC BY 4.0

PUBLISHED BENCHMARK RESULT

1436rating points

Tested: deepseek-v4-flashText Arena Overall · October 8, 2026Reported interval: 1432 to 144052,047 votes

One explicitly named variant per release. Scores come from the same Overall snapshot; preliminary entries and reported intervals are preserved. These are current ratings of earlier variants, not their launch day ratings.

Source: Text Arena ↗Download selected resultsChecked Oct 8, 2026

Understand the benchmarks Find this release on the chart