DoubleChecks

What was claimed

Grok Think Fast 2.0 is the #1 speech-to-speech AI model in the world (#1 on Artificial Analysis’ Speech-to-Speech Index) and can now fully interact with Tesla cars (adjust settings, navigation, music, calls, temperature, highlight controls)

Our verdict

Inaccurate

Grok Voice Think Fast 2.0 ranks #2 at 82.9%, behind Qwen Audio 3.0 Realtime Plus at 84.1%. This is directly contradicted by Artificial Analysis' official announcement. Most capabilities are confirmed (navigation, music, calls, temperature/climate), but 'highlight controls' is not explicitly verified in sources. The list is incomplete and somewhat vague. (Only 2 of 3 AI systems responded.)

1 of 2 AI systems agreeChecked Aug 27, 2026

Check your own claim

Paste any statement, headline, or AI answer — 3 independent AIs verify it in seconds, with sources.

Key findings

Grok Think Fast 2.0 is the #1 speech-to-speech AI model in the world (#1 on Artificial Analysis’ Speech-to-Speech Index).

Incorrect99%
1 of 2 AIs agree·ChatGPT: Misleading

Grok can adjust settings, navigation, music, calls, temperature, and highlight controls in Tesla cars

Misleading85%
1 AI checked

Grok Think Fast 2.0 can now fully interact with Tesla cars (adjust settings, navigation, music, calls, temperature, highlight controls).

Verified78%
1 of 2 AIs agree·Claude: Misleading

Detailed Analysis

Did not respond

What other AI think

The statement contains a significant factual error: Grok Think Fast 2.0 ranks #2, not #1, on Artificial Analysis' Speech-to-Speech Index. Additionally, the claim of "fully interact" with Tesla cars is misleading—while Grok can control several functions, it cannot control all vehicle systems.

Why this verdict

  • The statement contains a significant factual error: Grok Think Fast 2.0 ranks #2, not #1, on Artificial Analysis' Speech-to-Speech Index.
  • Additionally, the claim of "fully interact" with Tesla cars is misleading—while Grok can control several functions, it cannot control all vehicle systems.

Claims checked

Grok Think Fast 2.0 is the #1 speech-to-speech AI model on Artificial Analysis' Speech-to-Speech Index

Incorrect99%
Grok Voice Think Fast 2.0 ranks #2 at 82.9%, behind Qwen Audio 3.0 Realtime Plus at 84.1%. This is directly contradicted by Artificial Analysis' official announcement.

This claim may mislead readers without added context.

Grok can adjust settings, navigation, music, calls, temperature, and highlight controls in Tesla cars

Misleading85%
Most capabilities are confirmed (navigation, music, calls, temperature/climate), but 'highlight controls' is not explicitly verified in sources. The list is incomplete and somewhat vague.

This claim may mislead readers without added context.

Grok can fully interact with Tesla cars

Misleading95%
While Grok can control several vehicle functions (calls, music, climate, glovebox, navigation), the word 'fully' overstates its capabilities. It cannot control all vehicle systems or Full Self-Driving functions.

This claim may mislead readers without added context.

The response mixes a disputed leaderboard claim with a plausible product integration. Independent benchmark pages and vendor posts disagree about which model ranks first. Tesla release notes and community reports do show Grok voice features controlling car functions in recent updates.

Why this verdict

  • The response mixes a disputed leaderboard claim with a plausible product integration.
  • Independent benchmark pages and vendor posts disagree about which model ranks first.
  • Tesla release notes and community reports do show Grok voice features controlling car functions in recent updates.

Claims checked

Grok Think Fast 2.0 is the #1 speech-to-speech AI model in the world (#1 on Artificial Analysis’ Speech-to-Speech Index).

Misleading72%
Artificial Analysis has a Speech-to-Speech Index and Grok Voice Think Fast 2.0 appears highly ranked, but public reports and the leaderboard snapshots show conflicting leaders (e.g., Qwen Audio 3.0 and other models claim top positions). The absolute "#1 in the world" statement is therefore not reliably supported.

This claim may mislead readers without added context.

Grok Think Fast 2.0 can now fully interact with Tesla cars (adjust settings, navigation, music, calls, temperature, highlight controls).

Verified78%
Tesla software update notes and community reports indicate Grok voice integration allowing phone calls, music playback, climate control, and Controls panel search; those features match the claimed interactions, though "fully" may overstate scope if some specific controls are limited.

Share this result

Try DoubleChecks