API cost decision in 10 seconds

NewClaude Opus 5.5 (batch) vs NewMiMo-V2.6-Pro-UltraSpeed

Pick Claude Opus 5.5 (batch) for lower cost; pick MiMo-V2.6-Pro-UltraSpeed only if the larger context window matters more.

Page updated: 2026-09-22T17:07:48Z Data confirmed: 2026-09-22T17:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Claude Opus 5.5 (batch) for lower cost; pick MiMo-V2.6-Pro-UltraSpeed only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Claude Opus 5.5 (batch) is estimated at $7 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $1.7 (19.5% lower).

Cost-first pickClaude Opus 5.5 (batch)

Context-first pickMiMo-V2.6-Pro-UltraSpeed

Sample savings$1.719.5%

10x traffic gap$17

MiMo-V2.6-Pro-UltraSpeed has more context, but Claude Opus 5.5 (batch) saves $1.7 on the standard workload. At 10x that traffic, the same price gap is about $17. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Claude Opus 5.5 (batch), balanced workload favors Claude Opus 5.5 (batch), and output-heavy chatbot favors MiMo-V2.6-Pro-UltraSpeed.

Workload shape	Token mix	Better pick	Claude Opus 5.5 (batch)	MiMo-V2.6-Pro-UltraSpeed
Input-heavy / RAG	5M input + 500K output	Claude Opus 5.5 (batch)	$15	$26.1
Balanced workload	1M input + 1M output	Claude Opus 5.5 (batch)	$12	$13.05
Output-heavy chatbot	1M input + 5M output	MiMo-V2.6-Pro-UltraSpeed	$52	$47.85

Cheaper input Claude Opus 5.5 (batch) $2 vs $4.35 / 1M

Claude Opus 5.5 (batch) is $2.35 cheaper per 1M input tokens (54% lower; 2.17x difference).

Cheaper output MiMo-V2.6-Pro-UltraSpeed $10 vs $8.7 / 1M

MiMo-V2.6-Pro-UltraSpeed is $1.3 cheaper per 1M output tokens (13% lower; 1.15x difference).

Larger context MiMo-V2.6-Pro-UltraSpeed 1M vs 1.05M

MiMo-V2.6-Pro-UltraSpeed has 48.58K more context (1.05x larger).

Sample workload Claude Opus 5.5 (batch) $7 vs $8.7

Claude Opus 5.5 (batch) is $1.7 cheaper on the standard workload (19.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Claude Opus 5.5 (batch) Calculating… Estimated API cost

MiMo-V2.6-Pro-UltraSpeed Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Claude Opus 5.5 (batch) has the lower input price; MiMo-V2.6-Pro-UltraSpeed has the lower output price; MiMo-V2.6-Pro-UltraSpeed offers the larger context window. For the 1M input plus 500K output sample, Claude Opus 5.5 (batch) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $7 for Claude Opus 5.5 (batch) and $8.7 for MiMo-V2.6-Pro-UltraSpeed.

Best Fit

Choose Claude Opus 5.5 (batch) when you care most about lower input-token price.

Choose MiMo-V2.6-Pro-UltraSpeed when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Claude Opus 5.5 (batch) is estimated at $7 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $1.7 (19.5% lower).
Claude Opus 5.5 (batch) is $1.7 cheaper on the standard workload (19.5% lower).
Claude Opus 5.5 (batch) is $2.35 cheaper per 1M input tokens (54% lower; 2.17x difference).
MiMo-V2.6-Pro-UltraSpeed is $1.3 cheaper per 1M output tokens (13% lower; 1.15x difference).
MiMo-V2.6-Pro-UltraSpeed has 48.58K more context (1.05x larger).

Head-to-Head Specs

Feature	NewClaude Opus 5.5 (batch) (Anthropic)	NewMiMo-V2.6-Pro-UltraSpeed (Xiaomi)
Input Price prompt tokens per 1M	$2	$4.35
Completion Price per 1M tokens	$10	$8.7
Sample Workload Cost 1M input + 500K output	$7	$8.7
Context Window	1M	1.05M
Release Date	2026-09-22	2026-09-21

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Claude Opus 5.5 (batch)	On the standard 1M input plus 500K output workload, Claude Opus 5.5 (batch) is estimated at $7 vs $8.7 for MiMo-V2.6-Pro-UltraSpeed, saving $1.7 (19.5% lower).
High-volume input processing	Claude Opus 5.5 (batch)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	MiMo-V2.6-Pro-UltraSpeed	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	MiMo-V2.6-Pro-UltraSpeed	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Claude 3 Haiku can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $0.88.
Claude Haiku 4.5 (batch) can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $1.75.
Claude 3.5 Haiku can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $2.8.
Claude Sonnet 5 (batch) can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $3.5.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
GLM 5.3 Flash offers 1.31M context with $0.4 sample workload cost.
DeepSeek V4 Flash 0731 offers 1.31M context with $0.36 sample workload cost.

Popular competitors

MiMo-V2.6-Pro · Xiaomi · #1
Qwen3.8 Max (0902) · Qwen · #2
DeepSeek V4.1 Flash · DeepSeek · #3
GLM 5.3 Flash · Z.ai · #4

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

Open Anthropic models

Xiaomi catalog

Check other Xiaomi models with comparable pricing, context, or release timing.

Open Xiaomi models

Claude Opus 5.5 (batch)

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...

MiMo-V2.6-Pro-UltraSpeed

MiMo-V2.6-Pro-UltraSpeed is the fast speed edition of Xiaomi's flagship foundation model, MiMo-V2.6-Pro. Built from the same 1T MiMo-V2.6-Pro checkpoint, it matches the original model in quality while delivering roughly 10x...