LLM Comparison
Claude Haiku 5.5 vs Mercury 2.5
Side-by-side specs, pricing & capabilities
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | ||
| Family | Claude | Mercury |
| Status | Current | Current |
| Release Date | Oct 2026 | Sep 2026 |
| Context Window | 1.0M tokens | 260K tokens |
| Input Price | $0.10/M tokens | $0.04/M tokens |
| Output Price | $0.50/M tokens | $0.15/M tokens |
| Pricing Notes | Anthropic Claude API global standard tier, USD per million tokens. Prompts up to 100,000 tokens: $0.10 input, $0.50 output, $0.125 five-minute cache write, $0.20 one-hour cache write, and $0.01 cache read. Prompts above 100,000 tokens: $0.50 input, $2.50 output, $0.625 five-minute cache write, $1 one-hour cache write, and $0.05 cache read. Batch API requests receive a 50% discount. US-only data residency applies a 1.1x token-price multiplier. The Batch API beta supports up to 300,000 output tokens; 128,000 is the standard API cap recorded here. | Inception's direct model page currently advertises launch pricing of $0.04/M input and $0.15/M output, with $0.004/M cached input. Standard prices shown alongside are $0.20/M input, $0.75/M output and $0.02/M cached input. The discount duration is not specified; reverify before budgeting. |
| Capabilities | reasoningvisiontool-uselong-contextcontext-caching | textreasoninglong-context |
| Max Output | 128K tokens | — |
| API Identifier | claude-haiku-5-5 | mercury-2-5 |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3.2 | 43.4 indexartificial-analysis | — |
| View Claude Haiku 5.5 | View Mercury 2.5 | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Mercury 2.5Cheapest | $0.04 | $0.08 | $0.11 | — |
| Claude Haiku 5.5 | $0.10 | $0.25 | $0.35 | +204% |
Anthropic
Claude Haiku 5.5
Claude Haiku 5.5 is Anthropic's fast proprietary model for high-volume classification, extraction, routing, and subagent workloads. It accepts text and images, returns text, uses adaptive thinking, and supports a 1,000,000-token context window with up to 128,000 output tokens on standard API calls.
Inception
Mercury 2.5
Mercury 2.5 is a proprietary reasoning model from Inception listed by Artificial Analysis. The model page reports a 260,000-token context window, high output speed, and low listed token pricing for a reasoning-capable model.
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