What mattersSpeakmacWispr Flow
Real speech in this test6.3% WER; 37/37 total outputs6.3% WER; 35/37 total outputs
When both returned real speech6.1% WER4.4% WER
Text tendencyMore literal; keeps correctionsMore editorial; cleaner formatting
Processing testedLocal recognition and local cleanupCloud dictation
Individual price checked July 28, 2026$29 one-time for 1 Mac; ₹699 in India$15/month or $12/month annually; ₹400/month or ₹320/month annually in India

We played the same 37 audio files into Speakmac and Wispr Flow: 27 real human recordings, 10 controlled stress tests, 656 reference words, and 4 minutes 50 seconds of speech.

On the real recordings, both finished at 6.3% word error rate. That exact tie is arithmetic, not proof that the apps are identical. Wispr Flow was slightly more accurate on the 26 real clips where both returned text: 4.4% versus 6.1%. Speakmac returned text on all 37 tests; Wispr Flow returned text on 35.

Same-audio benchmark summary: Speakmac and Wispr Flow both scored 6.3 percent WER on 27 real recordings; Speakmac returned 37 of 37 outputs and Wispr Flow returned 35 of 37.

The honest conclusion is narrower than “one app wins.” Speakmac showed comparable recognition quality to this paid cloud dictation app in this test. Wispr Flow had a small conditional edge on real speech and produced cleaner edited text. Speakmac was more reliable in this run and preserved more of what was spoken.

Both often returned the same sentence.

Two real-speech examples where Speakmac and Wispr Flow returned the same words.

Wispr Flow was better when its editing helped. It preserved one real sentence that Speakmac rewrote, and it formatted money and percentages much more cleanly.

Two examples where Wispr Flow produced the cleaner or more accurate result.

Speakmac was better on some difficult names, paths, and identifiers. Neither app was consistently safe for exact proper nouns or codes.

Two difficult examples where Speakmac preserved more of the intended names, path, or identifier.

The two apps also make different editorial choices. Speakmac usually keeps the spoken correction trail. Wispr Flow may collapse it into the final intent or restructure speech into a list.

Two examples showing Speakmac preserving spoken wording while Wispr Flow rewrites the final intent or structure.

Wispr Flow produced no inserted text on two clean attempts. One was real Indian-English speech; the other was a controlled correction. We restarted Flow, confirmed the audio route, and retried before counting either as no output.

Two same-audio tests where Speakmac returned text and Wispr Flow returned no output.

These are the native history screens from the extended run.

Speakmac and Wispr Flow history screens showing outputs from the extended same-audio benchmark.

How we actually tested

  • The corpus used 18 Indian-English recordings from Svarah, 9 read-English recordings from LibriSpeech test-clean, and 10 controlled stress clips for names, numbers, corrections, paths, codes, and lists.
  • Every source became a 16 kHz mono PCM WAV normalized to the same loudness. All 37 files had unique SHA-256 hashes.
  • Speakmac 5.2.1 build 55 ran first with Parakeet and local Clean Up Dictation. Each WAV was imported directly.
  • Wispr Flow 1.6.224 Basic ran second. The exact same WAVs were sent through BlackHole 2ch while Flow's Control shortcut was held.
  • Only one dictation path was accepted at a time. We watched the apps' databases and Speakmac's recording-state file. One overlapping attempt was rejected and rerun.
  • We preserved each app's raw and final text. The figures above use final text.
  • WER lowercases text, removes punctuation, and counts substitutions, deletions, and insertions. A no-output result counts every reference word as a deletion.

The 6.3% real-speech tie is 22 literal word errors for each app across 349 words. The paired 95% bootstrap interval for Speakmac minus Wispr Flow was −4.93 to +3.75 percentage points, so this corpus does not establish a universal accuracy winner.

The controlled clips were intentionally harder and more sensitive to editing. Across all 37 clips, Speakmac scored 15.7% WER and Wispr Flow 20.4%. That overall gap is materially affected by Flow's two no-output results, so it should not be read as “Speakmac is always 4.7 points better.”

Download the per-clip CSV, paired transcripts and scores, summary with confidence intervals, or the corpus manifest.

Choose Wispr Flow when cloud convenience, cross-device use, and aggressive cleanup matter more. Choose Speakmac when local processing, a one-time purchase, literal dictation, and receiving an output every time in this test matter more.