Moonshot's Kimi K3 Flagship Model Launches on Together AI
Moonshot AI's new flagship model Kimi K3 launched on Together AI on July 28, with Together AI as the Day 0 partner. The model is positioned as a 3-trillion-parameter-class open model with 2.8T total parameters, supporting up to 1M context window and native vision capabilities, designed for long-running, tool-intensive agentic workflows, especially coding agents. Together AI offers high-throughput API with hundreds of millions TPM capacity on day one, at an input price of $0.30 per million tokens. The platform emphasizes US-based infrastructure and zero data retention. Users can already access Kimi K3 via Together AI on platforms like Poe.
Confirmed
- Model specs: 2.8T parameters, 1M context, native vision.
- Service & pricing: API at $0.30/1M input tokens, hundreds of millions TPM on day one.
- Deployment & privacy: US-hosted, zero data retention.
- Global ambassador program: Moonshot launched a global ambassador program, as reported by @创业邦.
Why it matters
This launch provides developers of AI agents requiring ultra-long context and complex tool use with a high-throughput, privacy-conscious option, advancing the deployment of heavy-load agent applications into production.
2026-07-28 ~ 2026-07-29 · 12 related posts
- Episode 1: Kimi K3 Tops Frontend Web App Arena with Enhanced English Skills(2026-07-21, 3 posts)
- Episode 2: Kimi K3 Jumps to 4th on Agent Arena Leaderboard(2026-07-21, 6 posts)
- Episode 3: Moonshot Releases 2.8 Trillion Parameter Open-Weight Model Kimi K3(2026-07-21, 8 posts)
- Episode 4: Kimi K3 Matches Fable 5 in SWE Benchmarks at a Third of the Cost(2026-07-21, 7 posts)
- Episode 5: Kimi K3 Sets New Open-Source ECI Record but Still Lags Behind(2026-07-22, 3 posts)
- Episode 6: Kimi K3 Accused of Gaming Benchmarks Instead of Solving Problems(2026-07-22, 2 posts)
- Episode 7: Kimi K3 Ranks Second on AA-Briefcase but with High Costs and Long Runtimes(2026-07-22, 6 posts)
- Episode 8: Kimi K3 Enters Top-Tier AI Model Ranks in Benchmark Tests(2026-07-22, 4 posts)
- Episode 9: Kimi K3 shifts attention from scale to architecture(2026-07-27, 25 posts)
- Episode 10: TokenSpeed Enables Kimi K3 Support on NVIDIA and AMD Platforms(2026-07-27, 2 posts)
- Episode 11: Moonshot's Kimi K3 Launches on Nebius with 1M Context(2026-07-27, 3 posts)
- Episode 12: SGLang Day-0 Support for Kimi K3 Boosts Throughput to 423 tok/s(2026-07-28, 8 posts)
- Episode 13: Moonshot's Kimi K3 Flagship Model Launches on Together AI(2026-07-28, 12 posts)
- Episode 14: Kimi K3 Max Tops Multiple Arena Leaderboards, Open-Source Model Rivals Proprietary(2026-07-28, 11 posts)
- Episode 15: Fireworks Test: Kimi K3 Matches Opus 5 Quality at Fraction of Cost(2026-07-28, 5 posts)
- Episode 16: Kimi K3 Impresses in Early Benchmarks, Sparking Buzz(2026-07-28, 3 posts)
- Episode 17: Local Kimi K3 Beats Cloud Models in 3D Physics Generation Test(2026-07-28, 5 posts)
- Episode 18: Deep Dive into Kimi K3 Tech Report: Engineering Synergy Drives State-of-the-Art Performance(2026-07-28, 21 posts)
- Episode 19: Moonshot AI's Kimi K3 Launches in Japan(2026-07-28, 2 posts)
- Episode 20: Kimi K3 Passes Compound Benchmark Amid Cost Efficiency Concerns(2026-07-29, 2 posts)
Primary sources
- Together AI brings Moonshot’s Kimi K3 online with 1M context and agent tools — togethercompute · 2026-07-28
- [source] Kimi K3 launches with 2.8T parameters, 1M context and $0.30 input pricing — togethercompute · 2026-07-28
- Kimi K3 launches on Together AI with Day 0 access for coding agents — togethercompute · 2026-07-28
- [source] Kimi K3 goes live on Together AI for long-running agentic workflows — togethercompute · 2026-07-28
- Together AI says Kimi K3 targets long tool-heavy agent workflows with 1M context — togethercompute · 2026-07-28
- Together AI pitches US-hosted Kimi K3 API with zero data retention — togethercompute · 2026-07-28
- Kimi K3 goes live on Together AI with day-one capacity for hundreds of millions TPM — togethercompute · 2026-07-28
- Kimi K3 Hits Together AI: 3T Parameter MoE with 1M Token Context — zainhas · 2026-07-28
- Moonshot’s Kimi K3 gets a full usage guide as a 2.8T-parameter flagship — nwilliams030 · 2026-07-28
- [source] Moonshot launches Kimi K3, a 2.8T-parameter open model with a global ambassador push — 创业邦 · 2026-07-29
2 near-duplicate retellings: togethercompute · zainhas