Claude Opus 5.5 (Max, Default Fallback) (Anthropic) and Tencent Hy4 (Tencent) are not peers on the headline index, which makes the trade-offs the interesting part. The biggest separation is in overall capability: 59.1 for Claude Opus 5.5 Max against 34.6 for Tencent Hy4. All numbers are the catalogue's recorded values; nobody ran either model by hand for this page.
Benchmark scores
Claude Opus 5.5 Max records 59.1 on the intelligence index and Tencent Hy4 records 34.6. These scores put the two models in different leagues on overall capability. Put another way, Tencent Hy4 would need 71% more on this index to draw level.
For context, that places Claude Opus 5.5 Max 2nd and Tencent Hy4 42nd out of 109 scored models still on offer.
For coding or maths work specifically, the catalogue has no dedicated index on either side yet.
Release timing
Claude Opus 5.5 Max came first, on September 22, 2026; Tencent Hy4 followed on November 3, 2026. They are effectively contemporaries.
How fast they respond
Claude Opus 5.5 Max generates about 95 tokens per second and Tencent Hy4 about 94 tokens per second. Throughput is close to level. The wait for the first token averages 10.8 minutes on Claude Opus 5.5 Max against 2.4 seconds on Tencent Hy4. In an interactive app, Tencent Hy4 will feel noticeably more responsive. A first-token wait of that length suits background work better than live conversation.
Add the two numbers up for a 1,000-token reply and Tencent Hy4 finishes first: 11.0 minutes for Claude Opus 5.5 Max, 13 seconds for Tencent Hy4.
Cost: Tencent Hy4 is cheaper
Per million tokens, Claude Opus 5.5 Max charges $4.00 for input and $20.00 for output, while Tencent Hy4 charges $0.834 and $2.501. Claude Opus 5.5 Max costs 8 times as much per output token.
Take 1 million input tokens and 200,000 output tokens: that comes to $8.00 on Claude Opus 5.5 Max and $1.33 on Tencent Hy4. A bigger example, classifying 100,000 short messages at 150 input tokens and 5 output tokens each, costs $70.00 on Claude Opus 5.5 Max and $13.76 on Tencent Hy4: a gap of $56.24.
Cost per point of intelligence
Dividing the blended price by the intelligence index gives a rough cost per point: $0.14 for Claude Opus 5.5 Max and $0.036 for Tencent Hy4, per million tokens. Tencent Hy4 delivers each index point for 73% less; whether Claude Opus 5.5 Max's extra 24.5 points are worth the premium depends on how often your tasks need them.

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