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light estimateLast updated 2026-08-20

MiniMax vs Deepgram

MiniMax Speech 2.5 Turbo vs Deepgram Aura-2 for text-to-speech. Price: $78 per 1M chars vs $30 per 1M chars — edge Deepgram Computed from public benchmarks with dated sources; updated 2026-08-20.

Head to head
MiniMax Speech 2.5 Turbo compared with Deepgram Aura-2 per decision axis
AxisMiniMax Speech 2.5 TurboDeepgram Aura-2Edge
Price$78 per 1M chars$30 per 1M charsDeepgram
ELO———
TTFA—293 ms—
Langs—7—
streaming✓✓—
cloning✓——
Strengths & caveats
MiniMaxStrong multilingual quality with accurate voice replication; the HD tier ranks in the upper part of the Artificial Analysis Speech Arena, and pricing is clean per-character. Per-character pricing differs sharply by tier: Turbo ~$78/1M vs HD ~$130/1M, and the ELO-ranked variant is the more expensive HD model — so the cheapest tier and the benchmarked tier are not the same. No independent TTFA; flagship-specific ELO and language count not confirmed (left null).DeepgramLow, clean per-character price (unchanged at $0.030/1K, $0.027/1K at Growth tier) aimed at voice-agent/IVR workloads with streaming and a large English voice catalog (40+ EN voices). Narrow language coverage, confirmed in the docs at 7 (EN, ES, NL, FR, DE, IT, JA). Independent Coval TTFA improved from 313ms to 293ms P50 — second-best in this table behind Cartesia — but still far off the vendor's '90ms' claim. Aura-2 itself is unranked on the Speech Arena, so naturalness ELO is left null; Deepgram's newer Flux TTS does appear but only at rank 59 (1054 ELO) and costs more at $0.045/1K after a free period ending 2026-09-12. No voice cloning.
Sources