TokenMix Research Lab · 2026-04-24
Claude Opus 4 Pricing: Full Tier Breakdown (2026)
Claude Opus 4 family pricing has stayed flat at $5 input / $25 output per MTok across every minor release from 4.0 through 4.7 — a rare display of pricing discipline in a market where GPT-5.x and Gemini have cut prices multiple times. But "flat" is misleading: Opus 4.7's new tokenizer produces up to 35% more tokens for the same content, effectively raising costs 20-30% for coding and Chinese workloads. This breakdown covers all Opus 4.x variants, the three legitimate savings paths (prompt caching 90% off, batch API 50% off, context-window downsizing), and answers "how expensive is Opus 4 really" at 3 production scales. TokenMix.ai routes all Opus variants with transparent tokenizer-aware billing.
Table of Contents
- Confirmed vs Speculation
- Opus 4.x Full Lineup
- The 3 Savings Paths
- Cost at 3 Production Scales
- Hidden Cost: The Tokenizer Tax
- Opus vs Other Premium Tiers
- FAQ
Confirmed vs Speculation
| Claim | Status | Source |
|---|---|---|
| Opus 4.x all priced $5/$25 per MTok | Confirmed | Anthropic pricing |
| Prompt caching 90% savings | Confirmed | |
| Batch API 50% discount | Confirmed | |
| Opus 4.7 tokenizer ~25% inflation | Confirmed | Finout analysis |
| 1M context mode costs 2× input | Confirmed | Extended context tier |
| Opus 4.0 → 4.7 no price change in nominal | Confirmed | Historical pricing |
| Opus 4.8 will be priced similarly | Speculation — not announced |
Opus 4.x Full Lineup
| Variant | Release | Input $/MTok | Output $/MTok | SWE-Bench Verified | Status |
|---|---|---|---|---|---|
| claude-opus-4.0 | June 2025 | $5 | $25 | 72% | Deprecated |
| claude-opus-4.1 | Aug 2025 | $5 | $25 | 76% | Limited availability |
| claude-opus-4.5 | Nov 2025 | $5 | $25 | 78% | Still accessible |
| claude-opus-4.6 | Feb 2026 | $5 | $25 | 80.8% | Production (previous) |
| claude-opus-4.7 | Apr 2026 | $5 | $25 | 87.6% | Current |
Consistency: price unchanged across 14 months and 5 major releases. Anthropic's message: quality improves, pricing discipline holds.
The 3 Savings Paths
Path 1: Prompt Caching (90% off on cached tokens)
response = client.messages.create(
model="claude-opus-4-7",
system=[{
"type": "text",
"text": large_context, # e.g., 100K tokens
"cache_control": {"type": "ephemeral"}
}],
messages=[{"role": "user", "content": user_query}]
)
Cache valid 5 minutes. Subsequent calls within window: 10% of original input cost. Essential for RAG and long-context Q&A.
Path 2: Batch API (50% off)
batch = client.messages.batches.create(
requests=[
{"custom_id": "task-1", "params": {...}},
{"custom_id": "task-2", "params": {...}},
]
)
# Returns within 24 hours at 50% cost
Use for async workflows: batch evaluation, bulk summarization, data processing.
Path 3: Downsize when context allows
- Use Sonnet 4.6 (60% cheaper) for 70% of queries → see Sonnet vs Opus
- Use Haiku 4.5 (84% cheaper) for simple tasks → see Haiku vs Sonnet
Cost at 3 Production Scales
Startup MVP — 10M tokens/month (80/20):
- Opus 4.7 raw: $90
- With 50% prompt caching on repeated context: $65
- With 30% Sonnet routing: $58
- Optimized: $40-50/month
Mid-size product — 500M tokens/month:
- Opus 4.7 raw: $4,500
- With caching + batch for 40% async: $2,800
- Multi-tier routing (30% Haiku / 50% Sonnet / 20% Opus):