Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and comp…
Model details →Anthropic: Claude Haiku 4.5 vs MoonshotAI: Kimi K2 0905 (exacto)
MoonshotAI: Kimi K2 0905 (exacto) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass.…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Haiku 4.5 | MoonshotAI: Kimi K2 0905 (exacto) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 262K | 🏆 MoonshotAI: Kimi K2 0905 (exacto) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.00 | $0.60 | 🏆 MoonshotAI: Kimi K2 0905 (exacto) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $2.50 | 🏆 MoonshotAI: Kimi K2 0905 (exacto) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
Frequently asked questions
Is Anthropic: Claude Haiku 4.5 better than MoonshotAI: Kimi K2 0905 (exacto)?
MoonshotAI: Kimi K2 0905 (exacto) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Haiku 4.5 and MoonshotAI: Kimi K2 0905 (exacto)?
Input: $1.00 vs $0.60 per 1M tokens. Output: $5.00 vs $2.50 per 1M tokens.
What context windows do Anthropic: Claude Haiku 4.5 and MoonshotAI: Kimi K2 0905 (exacto) support?
Anthropic: Claude Haiku 4.5 supports up to 200K tokens. MoonshotAI: Kimi K2 0905 (exacto) supports up to 262K tokens.
Do both Anthropic: Claude Haiku 4.5 and MoonshotAI: Kimi K2 0905 (exacto) support tool calling?
Anthropic: Claude Haiku 4.5: yes. MoonshotAI: Kimi K2 0905 (exacto): yes.