GPT-5.6 Luna vs Claude Haiku 4.5
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
Claude Haiku 4.5 is 14.3% cheaper on blended cost ($3.00 vs $3.50/Mtok) — note: different model classes (budget vs mid tier)
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Oby OpenAI
|
Aby Anthropic
|
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|---|---|---|
| Overview | ||
| Status | Current mid tier | Current budget |
| Released | Jul 9, 2026 | Oct 15, 2025 |
| Pricing per million tokens | ||
| Input | $1.00/Mtok | $1.00/Mtok |
| Output | $6.00/Mtok | $5.00/Mtok |
| Blended avg | $3.50/Mtok | $3.00/Mtok |
| Cached input | $0.100/Mtok | $0.100/Mtok |
| Specifications | ||
| Context window | 1M tokens | 200K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimage
|
| Providers | ||
| Available from |
OpenAI — $1.00/$6.00/Mtok
|
Anthropic — $1.00/$5.00/Mtok
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Cost at scale — 1M tokens (50/50 input/output)
| Volume | GPT-5.6 Luna | Claude Haiku 4.5 | Savings |
|---|---|---|---|
| 1M tokens | $3.5 | $3 | $0.5 (14.3%) |
| 10M tokens | $35 | $30 | $5 (14.3%) |
| 100M tokens | $350 | $300 | $50 (14.3%) |
| 1000M tokens | $3500 | $3000 | $500 (14.3%) |
Try Claude Haiku 4.5 on Anthropic
The cheaper option here — Claude Haiku 4.5 costs $3.00/Mtok blended on Anthropic.
Summary
GPT-5.6 Luna by OpenAI costs $1.00/Mtok input and $6.00/Mtok output, with a 1M-token context window. It supports text, image input.
Claude Haiku 4.5 by Anthropic costs $1.00/Mtok input and $5.00/Mtok output, with a 200K-token context window. It supports text, image input.
On a blended cost basis, Claude Haiku 4.5 is 14.3% cheaper than GPT-5.6 Luna.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.