Compare
Claude Haiku 5.5 vs GPT-6 Luna
Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.
Model
Claude Haiku 5.5
Best $0.100 in · $0.500 out
Context window 1.0M
Claude Haiku 5.5 is cheaper across the board — 0% cheaper on input and 0% cheaper on output.
Pricing matrix
Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.
| Provider | Claude Haiku 5.5 in | Claude Haiku 5.5 out | GPT-6 Luna in | GPT-6 Luna out |
|---|---|---|---|---|
| Anthropic | $0.100 | $0.500 | N/A | N/A |
| Aws Bedrock | $0.110 | $0.550 | N/A | N/A |
| Azure | $0.100 | $0.500 | $0.100 | $0.500 |
| Github Copilot | $0.100 | $0.500 | N/A | N/A |
| Gmi | N/A | N/A | $0.100 | $0.500 |
| Google Vertex | $0.100 | $0.500 | N/A | N/A |
| Kyma | $0.135 | $0.675 | $0.164 | $0.820 |
| OpenAI | N/A | N/A | $0.100 | $0.500 |
| Opencode Go | $0.100 | $0.500 | N/A | N/A |
| Openrouter | $0.100 | $0.500 | $0.100 | $0.500 |
| Zerogpu | N/A | N/A | $0.100 | $0.500 |
Best listed rates (this pair)
Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.
Catalog map · Anthropic · OpenAI
Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.
Anthropic · input vs output
Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.
One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).
OpenAI · input vs output
One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).
Specifications
Each column header is the full model name. Tint marks the favorable value where we compute a winner.
- Context window
- 1,000,000 tokens
- 922,000 tokens
- Max output tokens
- 128,000 tokens
- 128,000 tokens
- Vision
- Yes
- Yes
- Function calling
- Yes
- Yes
- Streaming
- Yes
- No
- Release date
- Oct 2026
- Sep 2026
Cost calculator
Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.
When to pick which
Short takeaways: no cards, just the points. Validate with your own workloads.
Long-context tasks
Use Claude Haiku 5.5. Its 1000K context window handles large codebases and documents better than 922K.
Frequently asked questions
More comparisons
Other popular head-to-head matchups.
- Claude Haiku 5.5 vs GPT-4o
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- Claude Haiku 5.5 vs Llama 3.1 70B
Compare pricing side by side
- Claude Haiku 5.5 vs Mistral 7B
Mistral 7B 50% cheaper on output
- GPT-6 Luna vs Claude Sonnet 4.6
GPT-6 Luna 96% cheaper on output
- GPT-6 Luna vs Gemini 2.0 Flash
Gemini 2.0 Flash 19% cheaper on output