The Token Ledger Digest – 2026-09-22

Most cost‑impacting change

• MoonshotAI: Kimi K3 – Prompt ↑ $1.70 → $3.00 /1M tokens; Completion ↑ $8.50 → $15.00 /1M tokens. Total cost +$7.80 /1M tokens. Who should care: Teams using Kimi K3 for extensive completions must revise cost forecasts or consider alternatives.

Notable price decreases

• xAI: Grok Latest – Prompt ↓ $2.00 → $1.60 /1M; Completion ↓ $6.00 → $4.80 /1M. Total –$1.60 /1M tokens. Who should care: Existing Grok users see lower bills; worth checking if usage limits can be raised.
• MoonshotAI: Kimi Latest – Prompt ↓ $1.70 → $1.50 /1M; Completion ↓ $8.50 → $7.50 /1M. Total –$1.20 /1M tokens.

Major removal

• Anthropic: Claude Opus 4 – Prompt $15.00 /1M, Completion $75.00 /1M (total $90.00 /1M) removed. Who should care: Anyone relying on Opus 4 must migrate to another model; expect higher re‑engineering effort.

Significant additions

• Xiaomi: MiMo‑V2.6‑Pro‑UltraSpeed – Prompt $4.35 /1M, Completion $8.70 /1M (total $13.05 /1M).
• Xiaomi: MiMo‑V2.6‑Flash – Prompt $0.14 /1M, Completion $0.28 /1M (total $0.42 /1M).
• Xiaomi: MiMo‑V2.6‑Pro – Prompt $0.435 /1M, Completion $0.87 /1M (total $1.305 /1M).
• Nex AGI: Nex‑N2.5‑Mini – Prompt $0.025 /1M, Completion $0.10 /1M (total $0.125 /1M).
• Nex AGI: Nex‑N2.5‑Pro – Prompt $0.075 /1M, Completion $0.25 /1M (total $0.325 /1M).
• SpaceXAI: Grok 4.7 – Prompt $1.60 /1M, Completion $4.80 /1M (total $6.40 /1M).

Cheapest models today (per‑million‑token total)

1. Mistral: Mistral Nemo – $0.049 /1M (Prompt $0.019, Completion $0.030).
2. inclusionAI: Ling 3.0 Flash – $0.084 /1M (Prompt $0.021, Completion $0.063).
3. IBM: Granite 4.0 Micro – $0.129 /1M (Prompt $0.017, Completion $0.112).

Total models tracked: 444.

All prices are shown as USD per 1 million tokens for quick comparison. No other meaningful changes were recorded beyond those listed.

Originally published at The Token Ledger. Subscribe for the daily digest.