Models, measured side by side
Claude Opus 5.5 vs Nano Banana Pro (Gemini 3 Pro Image)
Compare Claude Opus 5.5, Nano Banana Pro (Gemini 3 Pro Image) by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
Claude Opus 5.5
$180 / mo
Nano Banana Pro (Gemini 3 Pro Image)
$100 / mo
Performance comparison
Claude Opus 5.5
57.6
Nano Banana Pro (Gemini 3 Pro Image)
Not listed
Overview
| Overview | Claude Opus 5.5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Provider | Anthropic | |
| Released | 2026-09-22 | Not listed |
| Status | Active | Active |
| Input formats | textimagefile | imagetext |
| Output formats | text | imagetext |
Provider
Released
- Claude Opus 5.5
- 2026-09-22
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Status
- Claude Opus 5.5
- Active
- Nano Banana Pro (Gemini 3 Pro Image)
- Active
Input formats
- Claude Opus 5.5
- textimagefile
- Nano Banana Pro (Gemini 3 Pro Image)
- imagetext
Output formats
- Claude Opus 5.5
- text
- Nano Banana Pro (Gemini 3 Pro Image)
- imagetext
Pricing & capacity
| Pricing & capacity | Claude Opus 5.5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Input / 1M tokens | $4.00 | $2.00 |
| Output / 1M tokens | $20 | $12 |
| Cached input / 1M | $0.20 | $0.20 |
| Monthly cost | $180 | $100 |
| Context window | 1M | 131K |
| Maximum output | 128K | 33K |
Input / 1M tokens
- Claude Opus 5.5
- $4.00
- Nano Banana Pro (Gemini 3 Pro Image)
- $2.00
Output / 1M tokens
- Claude Opus 5.5
- $20
- Nano Banana Pro (Gemini 3 Pro Image)
- $12
Cached input / 1M
- Claude Opus 5.5
- $0.20
- Nano Banana Pro (Gemini 3 Pro Image)
- $0.20
Monthly cost
- Claude Opus 5.5
- $180
- Nano Banana Pro (Gemini 3 Pro Image)
- $100
Context window
- Claude Opus 5.5
- 1M
- Nano Banana Pro (Gemini 3 Pro Image)
- 131K
Maximum output
- Claude Opus 5.5
- 128K
- Nano Banana Pro (Gemini 3 Pro Image)
- 33K
Benchmarks & performance
| Benchmarks & performance | Claude Opus 5.5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Arena Elo | Not listed | 1,211 |
| MMLU-Pro | Not listed | 75.4% |
| Intelligence Index | 57.6 | Not listed |
| GPQA | Not listed | Not listed |
| Humanity’s Last Exam | 61.4% | Not listed |
| SciCode | 66.9% | Not listed |
| Output speed | 91 tokens/s | Not listed |
| Time to first token | 755.54 s | Not listed |
| DesignArena rating | 1,407 | Not listed |
| DesignArena win rate | 65.3% | Not listed |
Arena Elo
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- 1,211
MMLU-Pro
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- 75.4%
Intelligence Index
- Claude Opus 5.5
- 57.6
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
GPQA
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Humanity’s Last Exam
- Claude Opus 5.5
- 61.4%
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
SciCode
- Claude Opus 5.5
- 66.9%
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Output speed
- Claude Opus 5.5
- 91 tokens/s
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Time to first token
- Claude Opus 5.5
- 755.54 s
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
DesignArena rating
- Claude Opus 5.5
- 1,407
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
DesignArena win rate
- Claude Opus 5.5
- 65.3%
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Tools & features
| Tools & features | Claude Opus 5.5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| Function calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Built-in web search | Not listed | Not listed |
| Log probabilities | Not listed | Not listed |
| Deterministic seed | Not listed | Supported |
| Parallel tool calls | Not listed | Not listed |
| Prompt caching | Supported | Supported |
Function calling
- Claude Opus 5.5
- Supported
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
Structured outputs
- Claude Opus 5.5
- Supported
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
JSON mode
- Claude Opus 5.5
- Supported
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
Reasoning
- Claude Opus 5.5
- Supported
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
Built-in web search
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Log probabilities
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Deterministic seed
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
Parallel tool calls
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Prompt caching
- Claude Opus 5.5
- Supported
- Nano Banana Pro (Gemini 3 Pro Image)
- Supported
API & availability
| API & availability | Claude Opus 5.5 | Nano Banana Pro (Gemini 3 Pro Image) |
|---|---|---|
| API identifier | claude-opus-5.5 | gemini-3-pro-image |
| API providers | Not listed | Google AI Studio, Google |
| Knowledge cutoff | Not listed | Not listed |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- Claude Opus 5.5
claude-opus-5.5- Nano Banana Pro (Gemini 3 Pro Image)
gemini-3-pro-image
API providers
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Google AI Studio, Google
Knowledge cutoff
- Claude Opus 5.5
- Not listed
- Nano Banana Pro (Gemini 3 Pro Image)
- Not listed
Prices checked
- Claude Opus 5.5
- Oct 8, 2026
- Nano Banana Pro (Gemini 3 Pro Image)
- Oct 8, 2026
About the models
Claude Opus 5.5
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...
Full pricing & detailsNano Banana Pro (Gemini 3 Pro Image)
Google's state-of-the-art image generation and editing model. Output price is per 1M image tokens.
Full pricing & detailsComparison FAQ
Claude Opus 5.5: $4.00 input and $20 output per million tokens. Nano Banana Pro (Gemini 3 Pro Image): $2.00 input and $12 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.